1894181363072 has 32 divisors (see below), whose sum is σ = 3776943022320. Its totient is φ = 946242722304.

The previous prime is 1894181363047. The next prime is 1894181363077. The reversal of 1894181363072 is 2703631814981.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1894181363077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6481148 + ... + 6767099.

Almost surely, 2^{1894181363072} is an apocalyptic number.

It is an amenable number.

1894181363072 is a deficient number, since it is larger than the sum of its proper divisors (1882761659248).

1894181363072 is a wasteful number, since it uses less digits than its factorization.

1894181363072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13249378 (or 13249366 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 53.

The spelling of 1894181363072 in words is "one trillion, eight hundred ninety-four billion, one hundred eighty-one million, three hundred sixty-three thousand, seventy-two".