64349290499 has 8 divisors (see below), whose sum is σ = 70176442560. Its totient is φ = 58647453696.

The previous prime is 64349290483. The next prime is 64349290513. The reversal of 64349290499 is 99409294346.

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

It is not a de Polignac number, because 64349290499 - 2⁴ = 64349290483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64349290469) 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, 31327742 + ... + 31329795.

It is an arithmetic number, because the mean of its divisors is an integer number (8772055320).

Almost surely, 2^64349290499 is an apocalyptic number.

64349290499 is a deficient number, since it is larger than the sum of its proper divisors (5827152061).

64349290499 is a wasteful number, since it uses less digits than its factorization.

64349290499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62657629.

The product of its (nonzero) digits is 15116544, while the sum is 59.

The spelling of 64349290499 in words is "sixty-four billion, three hundred forty-nine million, two hundred ninety thousand, four hundred ninety-nine".