254131331644 has 12 divisors (see below), whose sum is σ = 452020483768. Its totient is φ = 124982622000.

The previous prime is 254131331549. The next prime is 254131331743. The reversal of 254131331644 is 446133131452.

254131331644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520760682 + ... + 520761169.

Almost surely, 2^254131331644 is an apocalyptic number.

It is an amenable number.

254131331644 is a deficient number, since it is larger than the sum of its proper divisors (197889152124).

254131331644 is a wasteful number, since it uses less digits than its factorization.

254131331644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041521916 (or 1041521914 counting only the distinct ones).

The product of its digits is 103680, while the sum is 37.

The spelling of 254131331644 in words is "two hundred fifty-four billion, one hundred thirty-one million, three hundred thirty-one thousand, six hundred forty-four".