64348902931 has 2 divisors, whose sum is σ = 64348902932. Its totient is φ = 64348902930.

The previous prime is 64348902913. The next prime is 64348902949. The reversal of 64348902931 is 13920984346.

Together with previous prime (64348902913) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (64348902913) and next prime (64348902949).

It is a cyclic number.

It is not a de Polignac number, because 64348902931 - 2⁵ = 64348902899 is a prime.

It is a super-2 number, since 2×64348902931² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64348992931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32174451465 + 32174451466.

It is an arithmetic number, because the mean of its divisors is an integer number (32174451466).

Almost surely, 2^64348902931 is an apocalyptic number.

64348902931 is a deficient number, since it is larger than the sum of its proper divisors (1).

64348902931 is an equidigital number, since it uses as much as digits as its factorization.

64348902931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 64348902931 in words is "sixty-four billion, three hundred forty-eight million, nine hundred two thousand, nine hundred thirty-one".