775260925013 has 2 divisors, whose sum is σ = 775260925014. Its totient is φ = 775260925012.

The previous prime is 775260924967. The next prime is 775260925037. The reversal of 775260925013 is 310529062577.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 702616121284 + 72644803729 = 838222^2 + 269527^2 .

It is an emirp because it is prime and its reverse (310529062577) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-775260925013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (775260925213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 387630462506 + 387630462507.

It is an arithmetic number, because the mean of its divisors is an integer number (387630462507).

Almost surely, 2^775260925013 is an apocalyptic number.

It is an amenable number.

775260925013 is a deficient number, since it is larger than the sum of its proper divisors (1).

775260925013 is an equidigital number, since it uses as much as digits as its factorization.

775260925013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 793800, while the sum is 47.

The spelling of 775260925013 in words is "seven hundred seventy-five billion, two hundred sixty million, nine hundred twenty-five thousand, thirteen".