2251678914 has 48 divisors (see below), whose sum is σ = 5004260352. Its totient is φ = 731373504.

The previous prime is 2251678901. The next prime is 2251678939. The reversal of 2251678914 is 4198761522.

It is a self number, because there is not a number n which added to its sum of digits gives 2251678914.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191407 + ... + 202829.

It is an arithmetic number, because the mean of its divisors is an integer number (104255424).

Almost surely, 2^2251678914 is an apocalyptic number.

2251678914 is an abundant number, since it is smaller than the sum of its proper divisors (2752581438).

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

2251678914 is a wasteful number, since it uses less digits than its factorization.

2251678914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11711 (or 11708 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2251678914 is about 47451.8589098467. The cubic root of 2251678914 is about 1310.6965419539.

The spelling of 2251678914 in words is "two billion, two hundred fifty-one million, six hundred seventy-eight thousand, nine hundred fourteen".