254723239394 has 16 divisors (see below), whose sum is σ = 412929992832. Its totient is φ = 117149146128.

The previous prime is 254723239363. The next prime is 254723239399. The reversal of 254723239394 is 493932327452.

It is a super-3 number, since 3×254723239394³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (254723239399) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17301914 + ... + 17316629.

It is an arithmetic number, because the mean of its divisors is an integer number (25808124552).

Almost surely, 2^254723239394 is an apocalyptic number.

254723239394 is a deficient number, since it is larger than the sum of its proper divisors (158206753438).

254723239394 is a wasteful number, since it uses less digits than its factorization.

254723239394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34618841.

The product of its digits is 9797760, while the sum is 53.

The spelling of 254723239394 in words is "two hundred fifty-four billion, seven hundred twenty-three million, two hundred thirty-nine thousand, three hundred ninety-four".