42634635525 has 96 divisors (see below), whose sum is σ = 80115705600. Its totient is φ = 22501255680.

The previous prime is 42634635479. The next prime is 42634635541. The reversal of 42634635525 is 52553643624.

42634635525 is a `hidden beast` number, since 4 + 2 + 6 + 3 + 4 + 635 + 5 + 2 + 5 = 666.

42634635525 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 42634635525 - 2¹¹ = 42634633477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5299456 + ... + 5307494.

It is an arithmetic number, because the mean of its divisors is an integer number (834538600).

Almost surely, 2^42634635525 is an apocalyptic number.

42634635525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42634635525 is a deficient number, since it is larger than the sum of its proper divisors (37481070075).

42634635525 is an frugal number, since it uses more digits than its factorization.

42634635525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8167 (or 8144 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 45.

The spelling of 42634635525 in words is "forty-two billion, six hundred thirty-four million, six hundred thirty-five thousand, five hundred twenty-five".