42979634499 has 8 divisors (see below), whose sum is σ = 57307718160. Its totient is φ = 28652320256.

The previous prime is 42979634497. The next prime is 42979634531. The reversal of 42979634499 is 99443697924.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42979634499 - 2¹ = 42979634497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42979634497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46134 + ... + 296795.

It is an arithmetic number, because the mean of its divisors is an integer number (7163464770).

Almost surely, 2^42979634499 is an apocalyptic number.

42979634499 is a deficient number, since it is larger than the sum of its proper divisors (14328083661).

42979634499 is a wasteful number, since it uses less digits than its factorization.

42979634499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384709.

The product of its digits is 105815808, while the sum is 66.

The spelling of 42979634499 in words is "forty-two billion, nine hundred seventy-nine million, six hundred thirty-four thousand, four hundred ninety-nine".