769555223131 has 2 divisors, whose sum is σ = 769555223132. Its totient is φ = 769555223130.

The previous prime is 769555223071. The next prime is 769555223137. The reversal of 769555223131 is 131322555967.

It is a strong prime.

It is an emirp because it is prime and its reverse (131322555967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 769555223131 - 2⁹ = 769555222619 is a prime.

It is a super-2 number, since 2×769555223131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (769555223137) 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, 384777611565 + 384777611566.

It is an arithmetic number, because the mean of its divisors is an integer number (384777611566).

Almost surely, 2^769555223131 is an apocalyptic number.

769555223131 is a deficient number, since it is larger than the sum of its proper divisors (1).

769555223131 is an equidigital number, since it uses as much as digits as its factorization.

769555223131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1701000, while the sum is 49.

The spelling of 769555223131 in words is "seven hundred sixty-nine billion, five hundred fifty-five million, two hundred twenty-three thousand, one hundred thirty-one".