253194127398 has 16 divisors (see below), whose sum is σ = 562653616560. Its totient is φ = 84398042448.

The previous prime is 253194127387. The next prime is 253194127447. The reversal of 253194127398 is 893721491352.

253194127398 is a `hidden beast` number, since 2 + 53 + 194 + 12 + 7 + 398 = 666.

It is a super-2 number, since 2×253194127398² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 4688780137 = 253194127398 / (2 + 5 + 3 + 1 + 9 + 4 + 1 + 2 + 7 + 3 + 9 + 8).

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, 2344390015 + ... + 2344390122.

It is an arithmetic number, because the mean of its divisors is an integer number (35165851035).

Almost surely, 2^253194127398 is an apocalyptic number.

253194127398 is an abundant number, since it is smaller than the sum of its proper divisors (309459489162).

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

253194127398 is a wasteful number, since it uses less digits than its factorization.

253194127398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4688780148 (or 4688780142 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 253194127398 in words is "two hundred fifty-three billion, one hundred ninety-four million, one hundred twenty-seven thousand, three hundred ninety-eight".