254316983729 has 4 divisors (see below), whose sum is σ = 254332496880. Its totient is φ = 254301470580.

The previous prime is 254316983717. The next prime is 254316983773. The reversal of 254316983729 is 927389613452.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254316983729 - 2¹² = 254316979633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254316083729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7731959 + ... + 7764780.

It is an arithmetic number, because the mean of its divisors is an integer number (63583124220).

Almost surely, 2^254316983729 is an apocalyptic number.

It is an amenable number.

254316983729 is a deficient number, since it is larger than the sum of its proper divisors (15513151).

254316983729 is a wasteful number, since it uses less digits than its factorization.

254316983729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15513150.

The product of its digits is 19595520, while the sum is 59.

The spelling of 254316983729 in words is "two hundred fifty-four billion, three hundred sixteen million, nine hundred eighty-three thousand, seven hundred twenty-nine".