64254904907 has 2 divisors, whose sum is σ = 64254904908. Its totient is φ = 64254904906.

The previous prime is 64254904897. The next prime is 64254904943. The reversal of 64254904907 is 70940945246.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64254904907 is a prime.

It is a super-2 number, since 2×64254904907² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (64254904507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32127452453 + 32127452454.

It is an arithmetic number, because the mean of its divisors is an integer number (32127452454).

Almost surely, 2^64254904907 is an apocalyptic number.

64254904907 is a deficient number, since it is larger than the sum of its proper divisors (1).

64254904907 is an equidigital number, since it uses as much as digits as its factorization.

64254904907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 64254904907 in words is "sixty-four billion, two hundred fifty-four million, nine hundred four thousand, nine hundred seven".