250769990068 has 24 divisors (see below), whose sum is σ = 472619474600. Its totient is φ = 115736446080.

The previous prime is 250769990047. The next prime is 250769990083. The reversal of 250769990068 is 860099967052.

It can be written as a sum of positive squares in 4 ways, for example, as 1467502864 + 249302487204 = 38308^2 + 499302^2 .

It is a junction number, because it is equal to n+sod(n) for n = 250769989988 and 250769990015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474458 + ... + 2573806.

Almost surely, 2^250769990068 is an apocalyptic number.

It is an amenable number.

250769990068 is a deficient number, since it is larger than the sum of its proper divisors (221849484532).

250769990068 is a wasteful number, since it uses less digits than its factorization.

250769990068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147907 (or 147905 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 250769990068 in words is "two hundred fifty billion, seven hundred sixty-nine million, nine hundred ninety thousand, sixty-eight".