42970842556 has 24 divisors (see below), whose sum is σ = 75316484880. Its totient is φ = 21451876992.

The previous prime is 42970842547. The next prime is 42970842589. The reversal of 42970842556 is 65524807924.

It is a happy number.

It is a super-2 number, since 2×42970842556² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10689915 + ... + 10693933.

It is an arithmetic number, because the mean of its divisors is an integer number (3138186870).

Almost surely, 2^42970842556 is an apocalyptic number.

It is an amenable number.

42970842556 is a deficient number, since it is larger than the sum of its proper divisors (32345642324).

42970842556 is a wasteful number, since it uses less digits than its factorization.

42970842556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7533 (or 7531 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 42970842556 in words is "forty-two billion, nine hundred seventy million, eight hundred forty-two thousand, five hundred fifty-six".