64364876293 has 2 divisors, whose sum is σ = 64364876294. Its totient is φ = 64364876292.

The previous prime is 64364876267. The next prime is 64364876299. The reversal of 64364876293 is 39267846346.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64215107649 + 149768644 = 253407^2 + 12238^2 .

It is a cyclic number.

It is not a de Polignac number, because 64364876293 - 2³³ = 55774941701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64364876299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32182438146 + 32182438147.

It is an arithmetic number, because the mean of its divisors is an integer number (32182438147).

Almost surely, 2^64364876293 is an apocalyptic number.

It is an amenable number.

64364876293 is a deficient number, since it is larger than the sum of its proper divisors (1).

64364876293 is an equidigital number, since it uses as much as digits as its factorization.

64364876293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31352832, while the sum is 58.

The spelling of 64364876293 in words is "sixty-four billion, three hundred sixty-four million, eight hundred seventy-six thousand, two hundred ninety-three".