2194054512 has 160 divisors (see below), whose sum is σ = 6368925696. Its totient is φ = 646272000.

The previous prime is 2194054501. The next prime is 2194054523. The reversal of 2194054512 is 2154504912.

It is an interprime number because it is at equal distance from previous prime (2194054501) and next prime (2194054523).

It is a congruent number.

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, 1953183 + ... + 1954305.

Almost surely, 2^2194054512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2194054512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3184462848).

2194054512 is an abundant number, since it is smaller than the sum of its proper divisors (4174871184).

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

2194054512 is a wasteful number, since it uses less digits than its factorization.

2194054512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2194054512 is about 46840.7356048130. The cubic root of 2194054512 is about 1299.4187760737.

The spelling of 2194054512 in words is "two billion, one hundred ninety-four million, fifty-four thousand, five hundred twelve".