769308013 has 2 divisors, whose sum is σ = 769308014. Its totient is φ = 769308012.

The previous prime is 769307977. The next prime is 769308017. The reversal of 769308013 is 310803967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 545596164 + 223711849 = 23358^2 + 14957^2 .

It is a cyclic number.

It is not a de Polignac number, because 769308013 - 2¹³ = 769299821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769308017) 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, 384654006 + 384654007.

It is an arithmetic number, because the mean of its divisors is an integer number (384654007).

Almost surely, 2^769308013 is an apocalyptic number.

It is an amenable number.

769308013 is a deficient number, since it is larger than the sum of its proper divisors (1).

769308013 is an equidigital number, since it uses as much as digits as its factorization.

769308013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 769308013 is about 27736.4023081581. The cubic root of 769308013 is about 916.2909953882.

The spelling of 769308013 in words is "seven hundred sixty-nine million, three hundred eight thousand, thirteen".