1994410143892 has 12 divisors (see below), whose sum is σ = 3490231209696. Its totient is φ = 997201226840.

The previous prime is 1994410143889. The next prime is 1994410143959. The reversal of 1994410143892 is 2983410144991.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429273 + ... + 2042815.

It is an arithmetic number, because the mean of its divisors is an integer number (290852600808).

Almost surely, 2^{1994410143892} is an apocalyptic number.

It is an amenable number.

1994410143892 is a deficient number, since it is larger than the sum of its proper divisors (1495821065804).

1994410143892 is a wasteful number, since it uses less digits than its factorization.

1994410143892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922558 (or 1922556 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 1994410143892 in words is "one trillion, nine hundred ninety-four billion, four hundred ten million, one hundred forty-three thousand, eight hundred ninety-two".