64305626401 has 2 divisors, whose sum is σ = 64305626402. Its totient is φ = 64305626400.

The previous prime is 64305626393. The next prime is 64305626459. The reversal of 64305626401 is 10462650346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64292673600 + 12952801 = 253560^2 + 3599^2 .

It is a cyclic number.

It is not a de Polignac number, because 64305626401 - 2³ = 64305626393 is a prime.

It is not a weakly prime, because it can be changed into another prime (64305626461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32152813200 + 32152813201.

It is an arithmetic number, because the mean of its divisors is an integer number (32152813201).

Almost surely, 2^64305626401 is an apocalyptic number.

It is an amenable number.

64305626401 is a deficient number, since it is larger than the sum of its proper divisors (1).

64305626401 is an equidigital number, since it uses as much as digits as its factorization.

64305626401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 64305626401 in words is "sixty-four billion, three hundred five million, six hundred twenty-six thousand, four hundred one".