42437664459 has 24 divisors (see below), whose sum is σ = 62246824640. Its totient is φ = 27854698608.

The previous prime is 42437664449. The next prime is 42437664461. The reversal of 42437664459 is 95446673424.

It is not a de Polignac number, because 42437664459 - 2¹⁷ = 42437533387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42437664449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1180452 + ... + 1215870.

Almost surely, 2^42437664459 is an apocalyptic number.

42437664459 is a deficient number, since it is larger than the sum of its proper divisors (19809160181).

42437664459 is a wasteful number, since it uses less digits than its factorization.

42437664459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37479 (or 37476 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 54.

The spelling of 42437664459 in words is "forty-two billion, four hundred thirty-seven million, six hundred sixty-four thousand, four hundred fifty-nine".