42979945437 has 64 divisors (see below), whose sum is σ = 75577662720. Its totient is φ = 23796633600.

The previous prime is 42979945427. The next prime is 42979945457. The reversal of 42979945437 is 73454997924.

42979945437 is a `hidden beast` number, since 4 + 2 + 97 + 99 + 454 + 3 + 7 = 666.

It is not a de Polignac number, because 42979945437 - 2²⁶ = 42912836573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42979945427) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 317137 + ... + 431897.

It is an arithmetic number, because the mean of its divisors is an integer number (1180900980).

Almost surely, 2^42979945437 is an apocalyptic number.

It is an amenable number.

42979945437 is a deficient number, since it is larger than the sum of its proper divisors (32597717283).

42979945437 is a wasteful number, since it uses less digits than its factorization.

42979945437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114891 (or 114885 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The spelling of 42979945437 in words is "forty-two billion, nine hundred seventy-nine million, nine hundred forty-five thousand, four hundred thirty-seven".