64765358829 has 12 divisors (see below), whose sum is σ = 94601087100. Its totient is φ = 42691771584.

The previous prime is 64765358821. The next prime is 64765358837. The reversal of 64765358829 is 92885356746.

It is a happy number.

64765358829 is a `hidden beast` number, since 6 + 4 + 76 + 535 + 8 + 8 + 29 = 666.

It is an interprime number because it is at equal distance from previous prime (64765358821) and next prime (64765358837).

It can be written as a sum of positive squares in 2 ways, for example, as 10905624900 + 53859733929 = 104430^2 + 232077^2 .

It is not a de Polignac number, because 64765358829 - 2³ = 64765358821 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64765358821) 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 in 11 ways as a sum of consecutive naturals, for example, 40427014 + ... + 40428615.

It is an arithmetic number, because the mean of its divisors is an integer number (7883423925).

Almost surely, 2^64765358829 is an apocalyptic number.

It is an amenable number.

64765358829 is a deficient number, since it is larger than the sum of its proper divisors (29835728271).

64765358829 is a wasteful number, since it uses less digits than its factorization.

64765358829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80855724 (or 80855721 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 64765358829 in words is "sixty-four billion, seven hundred sixty-five million, three hundred fifty-eight thousand, eight hundred twenty-nine".