761965913 has 2 divisors, whose sum is σ = 761965914. Its totient is φ = 761965912.

The previous prime is 761965879. The next prime is 761965921. The reversal of 761965913 is 319569167.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 705008704 + 56957209 = 26552^2 + 7547^2 .

It is a cyclic number.

It is not a de Polignac number, because 761965913 - 2¹² = 761961817 is a prime.

It is not a weakly prime, because it can be changed into another prime (761965933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380982956 + 380982957.

It is an arithmetic number, because the mean of its divisors is an integer number (380982957).

Almost surely, 2^761965913 is an apocalyptic number.

It is an amenable number.

761965913 is a deficient number, since it is larger than the sum of its proper divisors (1).

761965913 is an equidigital number, since it uses as much as digits as its factorization.

761965913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 47.

The square root of 761965913 is about 27603.7300559182. The cubic root of 761965913 is about 913.3667153367.

The spelling of 761965913 in words is "seven hundred sixty-one million, nine hundred sixty-five thousand, nine hundred thirteen".