442828397651469 has 8 divisors (see below), whose sum is σ = 591995747081760. Its totient is φ = 294439989994416.

The previous prime is 442828397651411. The next prime is 442828397651501. The reversal of 442828397651469 is 964156793828244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442828397651469 - 2¹³ = 442828397643277 is a prime.

It is a super-2 number, since 2×442828397651469² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 442828397651394 and 442828397651403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442828397653469) 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 7 ways as a sum of consecutive naturals, for example, 194735441982 + ... + 194735444255.

It is an arithmetic number, because the mean of its divisors is an integer number (73999468385220).

Almost surely, 2^{442828397651469} is an apocalyptic number.

It is an amenable number.

442828397651469 is a deficient number, since it is larger than the sum of its proper divisors (149167349430291).

442828397651469 is a wasteful number, since it uses less digits than its factorization.

442828397651469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389470886619.

The product of its digits is 5016453120, while the sum is 78.

The spelling of 442828397651469 in words is "four hundred forty-two trillion, eight hundred twenty-eight billion, three hundred ninety-seven million, six hundred fifty-one thousand, four hundred sixty-nine".