64367906399 has 2 divisors, whose sum is σ = 64367906400. Its totient is φ = 64367906398.

The previous prime is 64367906389. The next prime is 64367906411. The reversal of 64367906399 is 99360976346.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64367906399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64367906389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32183953199 + 32183953200.

It is an arithmetic number, because the mean of its divisors is an integer number (32183953200).

Almost surely, 2^64367906399 is an apocalyptic number.

64367906399 is a deficient number, since it is larger than the sum of its proper divisors (1).

64367906399 is an equidigital number, since it uses as much as digits as its factorization.

64367906399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39680928, while the sum is 62.

The spelling of 64367906399 in words is "sixty-four billion, three hundred sixty-seven million, nine hundred six thousand, three hundred ninety-nine".