64462520401 has 2 divisors, whose sum is σ = 64462520402. Its totient is φ = 64462520400.

The previous prime is 64462520387. The next prime is 64462520407. The reversal of 64462520401 is 10402526446.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37566192400 + 26896328001 = 193820^2 + 164001^2 .

It is a cyclic number.

It is not a de Polignac number, because 64462520401 - 2⁷ = 64462520273 is a prime.

It is not a weakly prime, because it can be changed into another prime (64462520407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32231260200 + 32231260201.

It is an arithmetic number, because the mean of its divisors is an integer number (32231260201).

Almost surely, 2^64462520401 is an apocalyptic number.

It is an amenable number.

64462520401 is a deficient number, since it is larger than the sum of its proper divisors (1).

64462520401 is an equidigital number, since it uses as much as digits as its factorization.

64462520401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 64462520401 in words is "sixty-four billion, four hundred sixty-two million, five hundred twenty thousand, four hundred one".