42894569916 has 36 divisors (see below), whose sum is σ = 118285027224. Its totient is φ = 12998354400.

The previous prime is 42894569909. The next prime is 42894569933. The reversal of 42894569916 is 61996549824.

42894569916 is a `hidden beast` number, since 4 + 2 + 89 + 456 + 99 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×42894569916² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54159415 + ... + 54160206.

Almost surely, 2^42894569916 is an apocalyptic number.

It is an amenable number.

42894569916 is an abundant number, since it is smaller than the sum of its proper divisors (75390457308).

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

42894569916 is a wasteful number, since it uses less digits than its factorization.

42894569916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108319642 (or 108319637 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The spelling of 42894569916 in words is "forty-two billion, eight hundred ninety-four million, five hundred sixty-nine thousand, nine hundred sixteen".