63962920739 has 2 divisors, whose sum is σ = 63962920740. Its totient is φ = 63962920738.

The previous prime is 63962920691. The next prime is 63962920757. The reversal of 63962920739 is 93702926936.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63962920739 is a prime.

It is a super-2 number, since 2×63962920739² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63962920789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31981460369 + 31981460370.

It is an arithmetic number, because the mean of its divisors is an integer number (31981460370).

Almost surely, 2^63962920739 is an apocalyptic number.

63962920739 is a deficient number, since it is larger than the sum of its proper divisors (1).

63962920739 is an equidigital number, since it uses as much as digits as its factorization.

63962920739 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6613488, while the sum is 56.

The spelling of 63962920739 in words is "sixty-three billion, nine hundred sixty-two million, nine hundred twenty thousand, seven hundred thirty-nine".