64349583629 has 8 divisors (see below), whose sum is σ = 67740390240. Its totient is φ = 60959175696.

The previous prime is 64349583607. The next prime is 64349583671. The reversal of 64349583629 is 92638594346.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64349583629 - 2²⁴ = 64332806413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64349583679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266102 + ... + 446664.

It is an arithmetic number, because the mean of its divisors is an integer number (8467548780).

Almost surely, 2^64349583629 is an apocalyptic number.

It is an amenable number.

64349583629 is a deficient number, since it is larger than the sum of its proper divisors (3390806611).

64349583629 is a wasteful number, since it uses less digits than its factorization.

64349583629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199339.

The product of its digits is 33592320, while the sum is 59.

The spelling of 64349583629 in words is "sixty-four billion, three hundred forty-nine million, five hundred eighty-three thousand, six hundred twenty-nine".