249873229600464 has 20 divisors (see below), whose sum is σ = 645505843134656. Its totient is φ = 83291076533472.

The previous prime is 249873229600457. The next prime is 249873229600471. The reversal of 249873229600464 is 464006922378942.

It is an interprime number because it is at equal distance from previous prime (249873229600457) and next prime (249873229600471).

It is a junction number, because it is equal to n+sod(n) for n = 249873229600395 and 249873229600404.

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, 2602846141624 + ... + 2602846141719.

Almost surely, 2^{249873229600464} is an apocalyptic number.

249873229600464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

249873229600464 is an abundant number, since it is smaller than the sum of its proper divisors (395632613534192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249873229600464 is a wasteful number, since it uses less digits than its factorization.

249873229600464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5205692283354 (or 5205692283348 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 66.

The spelling of 249873229600464 in words is "two hundred forty-nine trillion, eight hundred seventy-three billion, two hundred twenty-nine million, six hundred thousand, four hundred sixty-four".