64765358837 has 2 divisors, whose sum is σ = 64765358838. Its totient is φ = 64765358836.

The previous prime is 64765358821. The next prime is 64765358839. The reversal of 64765358837 is 73885356746.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61643454961 + 3121903876 = 248281^2 + 55874^2 .

It is a cyclic number.

It is not a de Polignac number, because 64765358837 - 2⁴ = 64765358821 is a prime.

Together with 64765358839, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64765358837.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64765358839) 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, 32382679418 + 32382679419.

It is an arithmetic number, because the mean of its divisors is an integer number (32382679419).

Almost surely, 2^64765358837 is an apocalyptic number.

It is an amenable number.

64765358837 is a deficient number, since it is larger than the sum of its proper divisors (1).

64765358837 is an equidigital number, since it uses as much as digits as its factorization.

64765358837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 101606400, while the sum is 62.

The spelling of 64765358837 in words is "sixty-four billion, seven hundred sixty-five million, three hundred fifty-eight thousand, eight hundred thirty-seven".