64147806113 has 2 divisors, whose sum is σ = 64147806114. Its totient is φ = 64147806112.

The previous prime is 64147806089. The next prime is 64147806179. The reversal of 64147806113 is 31160874146.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63248226064 + 899580049 = 251492^2 + 29993^2 .

It is a cyclic number.

It is not a de Polignac number, because 64147806113 - 2³⁰ = 63074064289 is a prime.

It is a super-2 number, since 2×64147806113² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64147806013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32073903056 + 32073903057.

It is an arithmetic number, because the mean of its divisors is an integer number (32073903057).

Almost surely, 2^64147806113 is an apocalyptic number.

It is an amenable number.

64147806113 is a deficient number, since it is larger than the sum of its proper divisors (1).

64147806113 is an equidigital number, since it uses as much as digits as its factorization.

64147806113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 41.

The spelling of 64147806113 in words is "sixty-four billion, one hundred forty-seven million, eight hundred six thousand, one hundred thirteen".