64253522551 has 2 divisors, whose sum is σ = 64253522552. Its totient is φ = 64253522550.

The previous prime is 64253522539. The next prime is 64253522569. The reversal of 64253522551 is 15522535246.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64253522551 - 2⁵ = 64253522519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64253522051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32126761275 + 32126761276.

It is an arithmetic number, because the mean of its divisors is an integer number (32126761276).

Almost surely, 2^64253522551 is an apocalyptic number.

64253522551 is a deficient number, since it is larger than the sum of its proper divisors (1).

64253522551 is an equidigital number, since it uses as much as digits as its factorization.

64253522551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360000, while the sum is 40.

The spelling of 64253522551 in words is "sixty-four billion, two hundred fifty-three million, five hundred twenty-two thousand, five hundred fifty-one".