254432621345 has 32 divisors (see below), whose sum is σ = 370023033600. Its totient is φ = 163955828736.

The previous prime is 254432621323. The next prime is 254432621371. The reversal of 254432621345 is 543126234452.

It is not a de Polignac number, because 254432621345 - 2¹² = 254432617249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67661 + ... + 716549.

It is an arithmetic number, because the mean of its divisors is an integer number (11563219800).

Almost surely, 2^254432621345 is an apocalyptic number.

It is an amenable number.

254432621345 is a deficient number, since it is larger than the sum of its proper divisors (115590412255).

254432621345 is a wasteful number, since it uses less digits than its factorization.

254432621345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649577.

The product of its digits is 691200, while the sum is 41.

Adding to 254432621345 its reverse (543126234452), we get a palindrome (797558855797).

The spelling of 254432621345 in words is "two hundred fifty-four billion, four hundred thirty-two million, six hundred twenty-one thousand, three hundred forty-five".