64647458053 has 2 divisors, whose sum is σ = 64647458054. Its totient is φ = 64647458052.

The previous prime is 64647458021. The next prime is 64647458069. The reversal of 64647458053 is 35085474646.

64647458053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35217026244 + 29430431809 = 187662^2 + 171553^2 .

It is a cyclic number.

It is not a de Polignac number, because 64647458053 - 2⁵ = 64647458021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64647458003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32323729026 + 32323729027.

It is an arithmetic number, because the mean of its divisors is an integer number (32323729027).

Almost surely, 2^64647458053 is an apocalyptic number.

It is an amenable number.

64647458053 is a deficient number, since it is larger than the sum of its proper divisors (1).

64647458053 is an equidigital number, since it uses as much as digits as its factorization.

64647458053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 64647458053 in words is "sixty-four billion, six hundred forty-seven million, four hundred fifty-eight thousand, fifty-three".