63466953931 has 2 divisors, whose sum is σ = 63466953932. Its totient is φ = 63466953930.

The previous prime is 63466953899. The next prime is 63466953959. The reversal of 63466953931 is 13935966436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63466953931 - 2⁵ = 63466953899 is a prime.

It is a super-2 number, since 2×63466953931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (63466953131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31733476965 + 31733476966.

It is an arithmetic number, because the mean of its divisors is an integer number (31733476966).

Almost surely, 2^63466953931 is an apocalyptic number.

63466953931 is a deficient number, since it is larger than the sum of its proper divisors (1).

63466953931 is an equidigital number, since it uses as much as digits as its factorization.

63466953931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9447840, while the sum is 55.

The spelling of 63466953931 in words is "sixty-three billion, four hundred sixty-six million, nine hundred fifty-three thousand, nine hundred thirty-one".