442152125340433 has 4 divisors (see below), whose sum is σ = 448209003769828. Its totient is φ = 436095246911040.

The previous prime is 442152125340407. The next prime is 442152125340437. The reversal of 442152125340433 is 334043521251244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90208071870849 + 351944053469584 = 9497793^2 + 18760172^2 .

It is a cyclic number.

It is not a de Polignac number, because 442152125340433 - 2³⁷ = 442014686386961 is a prime.

It is a super-2 number, since 2×442152125340433² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442152125340433.

It is not an unprimeable number, because it can be changed into a prime (442152125340437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3028439214588 + ... + 3028439214733.

It is an arithmetic number, because the mean of its divisors is an integer number (112052250942457).

Almost surely, 2^{442152125340433} is an apocalyptic number.

It is an amenable number.

442152125340433 is a deficient number, since it is larger than the sum of its proper divisors (6056878429395).

442152125340433 is an equidigital number, since it uses as much as digits as its factorization.

442152125340433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056878429394.

The product of its (nonzero) digits is 1382400, while the sum is 43.

Adding to 442152125340433 its reverse (334043521251244), we get a palindrome (776195646591677).

The spelling of 442152125340433 in words is "four hundred forty-two trillion, one hundred fifty-two billion, one hundred twenty-five million, three hundred forty thousand, four hundred thirty-three".