254472139999 has 16 divisors (see below), whose sum is σ = 319210387200. Its totient is φ = 197073466560.

The previous prime is 254472139973. The next prime is 254472140057. The reversal of 254472139999 is 999931274452.

It is a cyclic number.

It is not a de Polignac number, because 254472139999 - 2¹³ = 254472131807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254472139999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254472139969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10124974 + ... + 10150075.

It is an arithmetic number, because the mean of its divisors is an integer number (19950649200).

Almost surely, 2^254472139999 is an apocalyptic number.

254472139999 is a deficient number, since it is larger than the sum of its proper divisors (64738247201).

254472139999 is a wasteful number, since it uses less digits than its factorization.

254472139999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20275230.

The product of its digits is 44089920, while the sum is 64.

The spelling of 254472139999 in words is "two hundred fifty-four billion, four hundred seventy-two million, one hundred thirty-nine thousand, nine hundred ninety-nine".