1890000199837 has 8 divisors (see below), whose sum is σ = 1934295842304. Its totient is φ = 1846024381968.

The previous prime is 1890000199793. The next prime is 1890000199847. The reversal of 1890000199837 is 7389910000981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1890000199837 - 2⁷ = 1890000199709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1890000199847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79944193 + ... + 79967830.

It is an arithmetic number, because the mean of its divisors is an integer number (241786980288).

Almost surely, 2^{1890000199837} is an apocalyptic number.

It is an amenable number.

1890000199837 is a deficient number, since it is larger than the sum of its proper divisors (44295642467).

1890000199837 is a wasteful number, since it uses less digits than its factorization.

1890000199837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159912299.

The product of its (nonzero) digits is 979776, while the sum is 55.

The spelling of 1890000199837 in words is "one trillion, eight hundred ninety billion, one hundred ninety-nine thousand, eight hundred thirty-seven".