62117864639 has 2 divisors, whose sum is σ = 62117864640. Its totient is φ = 62117864638.

The previous prime is 62117864621. The next prime is 62117864651. The reversal of 62117864639 is 93646871126.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 62117864639 - 2²⁰ = 62116816063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (62117864609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31058932319 + 31058932320.

It is an arithmetic number, because the mean of its divisors is an integer number (31058932320).

Almost surely, 2^62117864639 is an apocalyptic number.

62117864639 is a deficient number, since it is larger than the sum of its proper divisors (1).

62117864639 is an equidigital number, since it uses as much as digits as its factorization.

62117864639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 53.

The spelling of 62117864639 in words is "sixty-two billion, one hundred seventeen million, eight hundred sixty-four thousand, six hundred thirty-nine".