251420134426614 has 12 divisors (see below), whose sum is σ = 544743624591036. Its totient is φ = 83806711475532.

The previous prime is 251420134426613. The next prime is 251420134426633. The reversal of 251420134426614 is 416624431024152.

251420134426614 is a `hidden beast` number, since 2 + 5 + 1 + 4 + 2 + 0 + 1 + 3 + 4 + 4 + 26 + 614 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 251420134426614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251420134426613) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6983892622944 + ... + 6983892622979.

It is an arithmetic number, because the mean of its divisors is an integer number (45395302049253).

Almost surely, 2^{251420134426614} is an apocalyptic number.

251420134426614 is an abundant number, since it is smaller than the sum of its proper divisors (293323490164422).

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

251420134426614 is a wasteful number, since it uses less digits than its factorization.

251420134426614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13967785245931 (or 13967785245928 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 251420134426614 in words is "two hundred fifty-one trillion, four hundred twenty billion, one hundred thirty-four million, four hundred twenty-six thousand, six hundred fourteen".