64087648139 has 2 divisors, whose sum is σ = 64087648140. Its totient is φ = 64087648138.

The previous prime is 64087648127. The next prime is 64087648153. The reversal of 64087648139 is 93184678046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64087648139 - 2²⁴ = 64070870923 is a prime.

It is not a weakly prime, because it can be changed into another prime (64087648199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32043824069 + 32043824070.

It is an arithmetic number, because the mean of its divisors is an integer number (32043824070).

Almost surely, 2^64087648139 is an apocalyptic number.

64087648139 is a deficient number, since it is larger than the sum of its proper divisors (1).

64087648139 is an equidigital number, since it uses as much as digits as its factorization.

64087648139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 64087648139 in words is "sixty-four billion, eighty-seven million, six hundred forty-eight thousand, one hundred thirty-nine".