253294961814 has 56 divisors (see below), whose sum is σ = 579308406120. Its totient is φ = 83000580768.

The previous prime is 253294961779. The next prime is 253294961831. The reversal of 253294961814 is 418169492352.

It is a happy number.

253294961814 is a `hidden beast` number, since 2 + 5 + 3 + 2 + 9 + 4 + 9 + 618 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1386247 + ... + 1558290.

Almost surely, 2^253294961814 is an apocalyptic number.

253294961814 is an abundant number, since it is smaller than the sum of its proper divisors (326013444306).

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

253294961814 is an equidigital number, since it uses as much as digits as its factorization.

253294961814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944616 (or 2944601 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 253294961814 in words is "two hundred fifty-three billion, two hundred ninety-four million, nine hundred sixty-one thousand, eight hundred fourteen".