64154834113 has 2 divisors, whose sum is σ = 64154834114. Its totient is φ = 64154834112.

The previous prime is 64154834063. The next prime is 64154834129. The reversal of 64154834113 is 31143845146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56876526144 + 7278307969 = 238488^2 + 85313^2 .

It is a cyclic number.

It is not a de Polignac number, because 64154834113 - 2²⁵ = 64121279681 is a prime.

It is not a weakly prime, because it can be changed into another prime (64154834713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32077417056 + 32077417057.

It is an arithmetic number, because the mean of its divisors is an integer number (32077417057).

Almost surely, 2^64154834113 is an apocalyptic number.

It is an amenable number.

64154834113 is a deficient number, since it is larger than the sum of its proper divisors (1).

64154834113 is an equidigital number, since it uses as much as digits as its factorization.

64154834113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 40.

The spelling of 64154834113 in words is "sixty-four billion, one hundred fifty-four million, eight hundred thirty-four thousand, one hundred thirteen".