1253744099904 has 28 divisors (see below), whose sum is σ = 3317197931504. Its totient is φ = 417914699904.

The previous prime is 1253744099893. The next prime is 1253744099911. The reversal of 1253744099904 is 4099904473521.

It is a happy number.

It is a super-2 number, since 2×1253744099904² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3264958402 + ... + 3264958785.

Almost surely, 2^{1253744099904} is an apocalyptic number.

It is an amenable number.

1253744099904 is an abundant number, since it is smaller than the sum of its proper divisors (2063453831600).

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

1253744099904 is an equidigital number, since it uses as much as digits as its factorization.

1253744099904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6529917202 (or 6529917192 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 1253744099904 in words is "one trillion, two hundred fifty-three billion, seven hundred forty-four million, ninety-nine thousand, nine hundred four".