64942560407 has 2 divisors, whose sum is σ = 64942560408. Its totient is φ = 64942560406.

The previous prime is 64942560401. The next prime is 64942560451. The reversal of 64942560407 is 70406524946.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64942560407 - 2⁴ = 64942560391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64942560401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32471280203 + 32471280204.

It is an arithmetic number, because the mean of its divisors is an integer number (32471280204).

Almost surely, 2^64942560407 is an apocalyptic number.

64942560407 is a deficient number, since it is larger than the sum of its proper divisors (1).

64942560407 is an equidigital number, since it uses as much as digits as its factorization.

64942560407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 64942560407 in words is "sixty-four billion, nine hundred forty-two million, five hundred sixty thousand, four hundred seven".