63864992579 has 2 divisors, whose sum is σ = 63864992580. Its totient is φ = 63864992578.

The previous prime is 63864992557. The next prime is 63864992591. The reversal of 63864992579 is 97529946836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63864992579 - 2¹⁶ = 63864927043 is a prime.

It is not a weakly prime, because it can be changed into another prime (60864992579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31932496289 + 31932496290.

It is an arithmetic number, because the mean of its divisors is an integer number (31932496290).

Almost surely, 2^63864992579 is an apocalyptic number.

63864992579 is a deficient number, since it is larger than the sum of its proper divisors (1).

63864992579 is an equidigital number, since it uses as much as digits as its factorization.

63864992579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 176359680, while the sum is 68.

The spelling of 63864992579 in words is "sixty-three billion, eight hundred sixty-four million, nine hundred ninety-two thousand, five hundred seventy-nine".