62691666939 has 12 divisors (see below), whose sum is σ = 98786869272. Its totient is φ = 37994949600.

The previous prime is 62691666937. The next prime is 62691666941. The reversal of 62691666939 is 93966619626.

It is an interprime number because it is at equal distance from previous prime (62691666937) and next prime (62691666941).

It is not a de Polignac number, because 62691666939 - 2¹ = 62691666937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (62691666937) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 316624482 + ... + 316624679.

It is an arithmetic number, because the mean of its divisors is an integer number (8232239106).

Almost surely, 2^62691666939 is an apocalyptic number.

62691666939 is a deficient number, since it is larger than the sum of its proper divisors (36095202333).

62691666939 is a wasteful number, since it uses less digits than its factorization.

62691666939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633249178 (or 633249175 counting only the distinct ones).

The product of its digits is 34012224, while the sum is 63.

The spelling of 62691666939 in words is "sixty-two billion, six hundred ninety-one million, six hundred sixty-six thousand, nine hundred thirty-nine".