42995659925 has 24 divisors (see below), whose sum is σ = 55215965952. Its totient is φ = 33190472000.

The previous prime is 42995659921. The next prime is 42995659979. The reversal of 42995659925 is 52995659924.

It is not a de Polignac number, because 42995659925 - 2² = 42995659921 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42995659921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174266 + ... + 341115.

It is an arithmetic number, because the mean of its divisors is an integer number (2300665248).

Almost surely, 2^42995659925 is an apocalyptic number.

It is an amenable number.

42995659925 is a deficient number, since it is larger than the sum of its proper divisors (12220306027).

42995659925 is a wasteful number, since it uses less digits than its factorization.

42995659925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515509 (or 515504 counting only the distinct ones).

The product of its digits is 78732000, while the sum is 65.

Subtracting 42995659925 from its reverse (52995659924), we obtain a palindrome (9999999999).

The spelling of 42995659925 in words is "forty-two billion, nine hundred ninety-five million, six hundred fifty-nine thousand, nine hundred twenty-five".