431132678593 has 2 divisors, whose sum is σ = 431132678594. Its totient is φ = 431132678592.

The previous prime is 431132678579. The next prime is 431132678611. The reversal of 431132678593 is 395876231134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 418289443009 + 12843235584 = 646753^2 + 113328^2 .

It is a cyclic number.

It is not a de Polignac number, because 431132678593 - 2³⁷ = 293693725121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 431132678593.

It is not a weakly prime, because it can be changed into another prime (431132678393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215566339296 + 215566339297.

It is an arithmetic number, because the mean of its divisors is an integer number (215566339297).

Almost surely, 2^431132678593 is an apocalyptic number.

It is an amenable number.

431132678593 is a deficient number, since it is larger than the sum of its proper divisors (1).

431132678593 is an equidigital number, since it uses as much as digits as its factorization.

431132678593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 52.

The spelling of 431132678593 in words is "four hundred thirty-one billion, one hundred thirty-two million, six hundred seventy-eight thousand, five hundred ninety-three".