64751036401 has 2 divisors, whose sum is σ = 64751036402. Its totient is φ = 64751036400.

The previous prime is 64751036323. The next prime is 64751036423. The reversal of 64751036401 is 10463015746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62847983025 + 1903053376 = 250695^2 + 43624^2 .

It is a cyclic number.

It is not a de Polignac number, because 64751036401 - 2¹¹ = 64751034353 is a prime.

It is not a weakly prime, because it can be changed into another prime (64751036431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32375518200 + 32375518201.

It is an arithmetic number, because the mean of its divisors is an integer number (32375518201).

Almost surely, 2^64751036401 is an apocalyptic number.

It is an amenable number.

64751036401 is a deficient number, since it is larger than the sum of its proper divisors (1).

64751036401 is an equidigital number, since it uses as much as digits as its factorization.

64751036401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 64751036401 in words is "sixty-four billion, seven hundred fifty-one million, thirty-six thousand, four hundred one".