2251763394 has 64 divisors (see below), whose sum is σ = 4655059200. Its totient is φ = 725886720.

The previous prime is 2251763351. The next prime is 2251763417. The reversal of 2251763394 is 4933671522.

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, 8561707 + ... + 8561969.

It is an arithmetic number, because the mean of its divisors is an integer number (72735300).

Almost surely, 2^2251763394 is an apocalyptic number.

2251763394 is an abundant number, since it is smaller than the sum of its proper divisors (2403295806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2251763394 is a wasteful number, since it uses less digits than its factorization.

2251763394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its digits is 272160, while the sum is 42.

The square root of 2251763394 is about 47452.7490668349. The cubic root of 2251763394 is about 1310.7129336129.

The spelling of 2251763394 in words is "two billion, two hundred fifty-one million, seven hundred sixty-three thousand, three hundred ninety-four".