64790368497 has 48 divisors (see below), whose sum is σ = 98108215296. Its totient is φ = 41154480000.

The previous prime is 64790368451. The next prime is 64790368523. The reversal of 64790368497 is 79486309746.

It is not a de Polignac number, because 64790368497 - 2²⁶ = 64723259633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64790368297) 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 47 ways as a sum of consecutive naturals, for example, 5094048 + ... + 5106750.

It is an arithmetic number, because the mean of its divisors is an integer number (2043921152).

Almost surely, 2^64790368497 is an apocalyptic number.

It is an amenable number.

64790368497 is a deficient number, since it is larger than the sum of its proper divisors (33317846799).

64790368497 is a wasteful number, since it uses less digits than its factorization.

64790368497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13022 (or 13019 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 64790368497 in words is "sixty-four billion, seven hundred ninety million, three hundred sixty-eight thousand, four hundred ninety-seven".