64814000057 has 2 divisors, whose sum is σ = 64814000058. Its totient is φ = 64814000056.

The previous prime is 64813999997. The next prime is 64814000071. The reversal of 64814000057 is 75000041846.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53631149056 + 11182851001 = 231584^2 + 105749^2 .

It is a cyclic number.

It is not a de Polignac number, because 64814000057 - 2¹⁸ = 64813737913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64813999990 and 64814000026.

It is not a weakly prime, because it can be changed into another prime (64814003057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32407000028 + 32407000029.

It is an arithmetic number, because the mean of its divisors is an integer number (32407000029).

Almost surely, 2^64814000057 is an apocalyptic number.

It is an amenable number.

64814000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

64814000057 is an equidigital number, since it uses as much as digits as its factorization.

64814000057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 64814000057 in words is "sixty-four billion, eight hundred fourteen million, fifty-seven", and thus it is an aban number.