769972231069 has 2 divisors, whose sum is σ = 769972231070. Its totient is φ = 769972231068.

The previous prime is 769972231019. The next prime is 769972231079. The reversal of 769972231069 is 960132279967.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 606861254169 + 163110976900 = 779013^2 + 403870^2 .

It is a cyclic number.

It is not a de Polignac number, because 769972231069 - 2³⁵ = 735612492701 is a prime.

It is a super-2 number, since 2×769972231069² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 769972230998 and 769972231016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (769972231019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384986115534 + 384986115535.

It is an arithmetic number, because the mean of its divisors is an integer number (384986115535).

Almost surely, 2^769972231069 is an apocalyptic number.

It is an amenable number.

769972231069 is a deficient number, since it is larger than the sum of its proper divisors (1).

769972231069 is an equidigital number, since it uses as much as digits as its factorization.

769972231069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15431472, while the sum is 61.

The spelling of 769972231069 in words is "seven hundred sixty-nine billion, nine hundred seventy-two million, two hundred thirty-one thousand, sixty-nine".