64958095799 has 2 divisors, whose sum is σ = 64958095800. Its totient is φ = 64958095798.

The previous prime is 64958095757. The next prime is 64958095847. The reversal of 64958095799 is 99759085946.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64958095799 is a prime.

It is a super-2 number, since 2×64958095799² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64958095729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32479047899 + 32479047900.

It is an arithmetic number, because the mean of its divisors is an integer number (32479047900).

Almost surely, 2^64958095799 is an apocalyptic number.

64958095799 is a deficient number, since it is larger than the sum of its proper divisors (1).

64958095799 is an equidigital number, since it uses as much as digits as its factorization.

64958095799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220449600, while the sum is 71.

The spelling of 64958095799 in words is "sixty-four billion, nine hundred fifty-eight million, ninety-five thousand, seven hundred ninety-nine".