254233606921 has 32 divisors (see below), whose sum is σ = 301041248256. Its totient is φ = 210183120000.

The previous prime is 254233606919. The next prime is 254233606933. The reversal of 254233606921 is 129606332452.

It is not a de Polignac number, because 254233606921 - 2¹ = 254233606919 is a prime.

It is a Smith number, since the sum of its digits (43) 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 (254233606321) 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, 9130206 + ... + 9158008.

It is an arithmetic number, because the mean of its divisors is an integer number (9407539008).

Almost surely, 2^254233606921 is an apocalyptic number.

It is an amenable number.

254233606921 is a deficient number, since it is larger than the sum of its proper divisors (46807641335).

254233606921 is a wasteful number, since it uses less digits than its factorization.

254233606921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28213.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 254233606921 in words is "two hundred fifty-four billion, two hundred thirty-three million, six hundred six thousand, nine hundred twenty-one".