769121998144 has 28 divisors (see below), whose sum is σ = 1526255690688. Its totient is φ = 384553635200.

The previous prime is 769121998133. The next prime is 769121998153. The reversal of 769121998144 is 441899121967.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5052099 + ... + 5202109.

Almost surely, 2^769121998144 is an apocalyptic number.

It is an amenable number.

769121998144 is a deficient number, since it is larger than the sum of its proper divisors (757133692544).

769121998144 is a wasteful number, since it uses less digits than its factorization.

769121998144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230134 (or 230124 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 61.

The spelling of 769121998144 in words is "seven hundred sixty-nine billion, one hundred twenty-one million, nine hundred ninety-eight thousand, one hundred forty-four".