1801992874 has 8 divisors (see below), whose sum is σ = 2948715648. Its totient is φ = 819087660.

The previous prime is 1801992859. The next prime is 1801992883. The reversal of 1801992874 is 4782991081.

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

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, 40954362 + ... + 40954405.

It is an arithmetic number, because the mean of its divisors is an integer number (368589456).

Almost surely, 2^1801992874 is an apocalyptic number.

1801992874 is a deficient number, since it is larger than the sum of its proper divisors (1146722774).

1801992874 is a wasteful number, since it uses less digits than its factorization.

1801992874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81908780.

The product of its (nonzero) digits is 290304, while the sum is 49.

The square root of 1801992874 is about 42449.8866194010. The cubic root of 1801992874 is about 1216.8891617696.

The spelling of 1801992874 in words is "one billion, eight hundred one million, nine hundred ninety-two thousand, eight hundred seventy-four".