64380334097 has 2 divisors, whose sum is σ = 64380334098. Its totient is φ = 64380334096.

The previous prime is 64380334021. The next prime is 64380334127. The reversal of 64380334097 is 79043308346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61020856576 + 3359477521 = 247024^2 + 57961^2 .

It is a cyclic number.

It is not a de Polignac number, because 64380334097 - 2²⁶ = 64313225233 is a prime.

It is not a weakly prime, because it can be changed into another prime (64380334897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32190167048 + 32190167049.

It is an arithmetic number, because the mean of its divisors is an integer number (32190167049).

Almost surely, 2^64380334097 is an apocalyptic number.

It is an amenable number.

64380334097 is a deficient number, since it is larger than the sum of its proper divisors (1).

64380334097 is an equidigital number, since it uses as much as digits as its factorization.

64380334097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 47.

The spelling of 64380334097 in words is "sixty-four billion, three hundred eighty million, three hundred thirty-four thousand, ninety-seven".