2278906891194 has 16 divisors (see below), whose sum is σ = 4557855970368. Its totient is φ = 759628599072.

The previous prime is 2278906891189. The next prime is 2278906891237. The reversal of 2278906891194 is 4911986098722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1032582 + ... + 2371505.

It is an arithmetic number, because the mean of its divisors is an integer number (284865998148).

Almost surely, 2^{2278906891194} is an apocalyptic number.

2278906891194 is an abundant number, since it is smaller than the sum of its proper divisors (2278949079174).

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

2278906891194 is a wasteful number, since it uses less digits than its factorization.

2278906891194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3515669.

The product of its (nonzero) digits is 31352832, while the sum is 66.

The spelling of 2278906891194 in words is "two trillion, two hundred seventy-eight billion, nine hundred six million, eight hundred ninety-one thousand, one hundred ninety-four".