253749099078 has 12 divisors (see below), whose sum is σ = 549789714708. Its totient is φ = 84583033020.

The previous prime is 253749099011. The next prime is 253749099101. The reversal of 253749099078 is 870990947352.

253749099078 is a `hidden beast` number, since 2 + 53 + 7 + 490 + 9 + 90 + 7 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7048586068 + ... + 7048586103.

It is an arithmetic number, because the mean of its divisors is an integer number (45815809559).

Almost surely, 2^253749099078 is an apocalyptic number.

253749099078 is an abundant number, since it is smaller than the sum of its proper divisors (296040615630).

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

253749099078 is a wasteful number, since it uses less digits than its factorization.

253749099078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14097172179 (or 14097172176 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 63.

The spelling of 253749099078 in words is "two hundred fifty-three billion, seven hundred forty-nine million, ninety-nine thousand, seventy-eight".