260629891373 has 2 divisors, whose sum is σ = 260629891374. Its totient is φ = 260629891372.

The previous prime is 260629891321. The next prime is 260629891397. The reversal of 260629891373 is 373198926062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194726273284 + 65903618089 = 441278^2 + 256717^2 .

It is a cyclic number.

It is not a de Polignac number, because 260629891373 - 2⁸ = 260629891117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260629891303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130314945686 + 130314945687.

It is an arithmetic number, because the mean of its divisors is an integer number (130314945687).

Almost surely, 2^260629891373 is an apocalyptic number.

It is an amenable number.

260629891373 is a deficient number, since it is larger than the sum of its proper divisors (1).

260629891373 is an equidigital number, since it uses as much as digits as its factorization.

260629891373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 260629891373 in words is "two hundred sixty billion, six hundred twenty-nine million, eight hundred ninety-one thousand, three hundred seventy-three".