1898542103992 has 16 divisors (see below), whose sum is σ = 3564662970960. Its totient is φ = 947965311744.

The previous prime is 1898542103957. The next prime is 1898542104007. The reversal of 1898542103992 is 2993012458981.

It is a self number, because there is not a number n which added to its sum of digits gives 1898542103992.

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, 163211353 + ... + 163222984.

It is an arithmetic number, because the mean of its divisors is an integer number (222791435685).

Almost surely, 2^{1898542103992} is an apocalyptic number.

It is an amenable number.

1898542103992 is a deficient number, since it is larger than the sum of its proper divisors (1666120866968).

1898542103992 is a wasteful number, since it uses less digits than its factorization.

1898542103992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326435070 (or 326435066 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 1898542103992 in words is "one trillion, eight hundred ninety-eight billion, five hundred forty-two million, one hundred three thousand, nine hundred ninety-two".