42900609885 has 32 divisors (see below), whose sum is σ = 78463365120. Its totient is φ = 19607573568.

The previous prime is 42900609877. The next prime is 42900609889. The reversal of 42900609885 is 58890600924.

It is not a de Polignac number, because 42900609885 - 2³ = 42900609877 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42900609889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488554 + ... + 569636.

It is an arithmetic number, because the mean of its divisors is an integer number (2451980160).

Almost surely, 2^42900609885 is an apocalyptic number.

It is an amenable number.

42900609885 is a deficient number, since it is larger than the sum of its proper divisors (35562755235).

42900609885 is a wasteful number, since it uses less digits than its factorization.

42900609885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86137.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 42900609885 in words is "forty-two billion, nine hundred million, six hundred nine thousand, eight hundred eighty-five".