64670288635079 has 2 divisors, whose sum is σ = 64670288635080. Its totient is φ = 64670288635078.

The previous prime is 64670288635021. The next prime is 64670288635087. The reversal of 64670288635079 is 97053688207646.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64670288635079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64670288635019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32335144317539 + 32335144317540.

It is an arithmetic number, because the mean of its divisors is an integer number (32335144317540).

Almost surely, 2^{64670288635079} is an apocalyptic number.

64670288635079 is a deficient number, since it is larger than the sum of its proper divisors (1).

64670288635079 is an equidigital number, since it uses as much as digits as its factorization.

64670288635079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 731566080, while the sum is 71.

The spelling of 64670288635079 in words is "sixty-four trillion, six hundred seventy billion, two hundred eighty-eight million, six hundred thirty-five thousand, seventy-nine".