442253858134651 has 4 divisors (see below), whose sum is σ = 442264138608600. Its totient is φ = 442243577660704.

The previous prime is 442253858134637. The next prime is 442253858134661. The reversal of 442253858134651 is 156431858352244.

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

It is a cyclic number.

It is not a de Polignac number, because 442253858134651 - 2⁷ = 442253858134523 is a prime.

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 442253858134651.

It is not an unprimeable number, because it can be changed into a prime (442253858134661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5140172446 + ... + 5140258483.

It is an arithmetic number, because the mean of its divisors is an integer number (110566034652150).

Almost surely, 2^{442253858134651} is an apocalyptic number.

442253858134651 is a deficient number, since it is larger than the sum of its proper divisors (10280473949).

442253858134651 is a wasteful number, since it uses less digits than its factorization.

442253858134651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10280473948.

The product of its digits is 110592000, while the sum is 61.

The spelling of 442253858134651 in words is "four hundred forty-two trillion, two hundred fifty-three billion, eight hundred fifty-eight million, one hundred thirty-four thousand, six hundred fifty-one".