64124640607 has 2 divisors, whose sum is σ = 64124640608. Its totient is φ = 64124640606.

The previous prime is 64124640553. The next prime is 64124640631. The reversal of 64124640607 is 70604642146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64124640607 - 2⁷ = 64124640479 is a prime.

It is a super-2 number, since 2×64124640607² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64124640607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64124640647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32062320303 + 32062320304.

It is an arithmetic number, because the mean of its divisors is an integer number (32062320304).

Almost surely, 2^64124640607 is an apocalyptic number.

64124640607 is a deficient number, since it is larger than the sum of its proper divisors (1).

64124640607 is an equidigital number, since it uses as much as digits as its factorization.

64124640607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 64124640607 in words is "sixty-four billion, one hundred twenty-four million, six hundred forty thousand, six hundred seven".