769395019445 has 32 divisors (see below), whose sum is σ = 1021292670048. Its totient is φ = 552745202688.

The previous prime is 769395019387. The next prime is 769395019453. The reversal of 769395019445 is 544910593967.

It can be written as a sum of positive squares in 16 ways, for example, as 11619546436 + 757775473009 = 107794^2 + 870503^2 .

It is a cyclic number.

It is not a de Polignac number, because 769395019445 - 2⁶ = 769395019381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 28069487 + ... + 28096883.

It is an arithmetic number, because the mean of its divisors is an integer number (31915395939).

Almost surely, 2^769395019445 is an apocalyptic number.

It is an amenable number.

769395019445 is a deficient number, since it is larger than the sum of its proper divisors (251897650603).

769395019445 is a wasteful number, since it uses less digits than its factorization.

769395019445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39129.

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 769395019445 in words is "seven hundred sixty-nine billion, three hundred ninety-five million, nineteen thousand, four hundred forty-five".