254381298493191 has 32 divisors (see below), whose sum is σ = 340236324480000. Its totient is φ = 169057719734400.

The previous prime is 254381298493151. The next prime is 254381298493319. The reversal of 254381298493191 is 191394892183452.

It is not a de Polignac number, because 254381298493191 - 2²¹ = 254381296396039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254381298493151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16021992345 + ... + 16022008221.

It is an arithmetic number, because the mean of its divisors is an integer number (10632385140000).

Almost surely, 2^{254381298493191} is an apocalyptic number.

254381298493191 is a deficient number, since it is larger than the sum of its proper divisors (85855025986809).

254381298493191 is a wasteful number, since it uses less digits than its factorization.

254381298493191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27719.

The product of its digits is 134369280, while the sum is 69.

The spelling of 254381298493191 in words is "two hundred fifty-four trillion, three hundred eighty-one billion, two hundred ninety-eight million, four hundred ninety-three thousand, one hundred ninety-one".