42106523634 has 24 divisors (see below), whose sum is σ = 104263773120. Its totient is φ = 12030435288.

The previous prime is 42106523617. The next prime is 42106523651. The reversal of 42106523634 is 43632560124.

42106523634 is a `hidden beast` number, since 4 + 2 + 10 + 6 + 5 + 2 + 3 + 634 = 666.

It is an interprime number because it is at equal distance from previous prime (42106523617) and next prime (42106523651).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 167089254 + ... + 167089505.

It is an arithmetic number, because the mean of its divisors is an integer number (4344323880).

Almost surely, 2^42106523634 is an apocalyptic number.

42106523634 is an abundant number, since it is smaller than the sum of its proper divisors (62157249486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42106523634 is a wasteful number, since it uses less digits than its factorization.

42106523634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334178774 (or 334178771 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 42106523634 in words is "forty-two billion, one hundred six million, five hundred twenty-three thousand, six hundred thirty-four".