260949629957 has 2 divisors, whose sum is σ = 260949629958. Its totient is φ = 260949629956.

The previous prime is 260949629921. The next prime is 260949630037. The reversal of 260949629957 is 759926949062.

260949629957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211893581761 + 49056048196 = 460319^2 + 221486^2 .

It is a cyclic number.

It is not a de Polignac number, because 260949629957 - 2²⁰ = 260948581381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260949629917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130474814978 + 130474814979.

It is an arithmetic number, because the mean of its divisors is an integer number (130474814979).

Almost surely, 2^260949629957 is an apocalyptic number.

It is an amenable number.

260949629957 is a deficient number, since it is larger than the sum of its proper divisors (1).

260949629957 is an equidigital number, since it uses as much as digits as its factorization.

260949629957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 132269760, while the sum is 68.

The spelling of 260949629957 in words is "two hundred sixty billion, nine hundred forty-nine million, six hundred twenty-nine thousand, nine hundred fifty-seven".