64572253247 has 2 divisors, whose sum is σ = 64572253248. Its totient is φ = 64572253246.

The previous prime is 64572253199. The next prime is 64572253271. The reversal of 64572253247 is 74235227546.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64572253247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64572253747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32286126623 + 32286126624.

It is an arithmetic number, because the mean of its divisors is an integer number (32286126624).

Almost surely, 2^64572253247 is an apocalyptic number.

64572253247 is a deficient number, since it is larger than the sum of its proper divisors (1).

64572253247 is an equidigital number, since it uses as much as digits as its factorization.

64572253247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 47.

The spelling of 64572253247 in words is "sixty-four billion, five hundred seventy-two million, two hundred fifty-three thousand, two hundred forty-seven".