42346556525 has 24 divisors (see below), whose sum is σ = 64627363584. Its totient is φ = 26803972800.

The previous prime is 42346556509. The next prime is 42346556557. The reversal of 42346556525 is 52565564324.

42346556525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42346556525 - 2⁴ = 42346556509 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42346556525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9304661 + ... + 9309210.

It is an arithmetic number, because the mean of its divisors is an integer number (2692806816).

Almost surely, 2^42346556525 is an apocalyptic number.

It is an amenable number.

42346556525 is a deficient number, since it is larger than the sum of its proper divisors (22280807059).

42346556525 is a wasteful number, since it uses less digits than its factorization.

42346556525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18613901 (or 18613896 counting only the distinct ones).

The product of its digits is 4320000, while the sum is 47.

The spelling of 42346556525 in words is "forty-two billion, three hundred forty-six million, five hundred fifty-six thousand, five hundred twenty-five".