1802971850918 has 8 divisors (see below), whose sum is σ = 3090808887312. Its totient is φ = 772702221816.

The previous prime is 1802971850887. The next prime is 1802971850921. The reversal of 1802971850918 is 8190581792081.

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

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, 64391851805 + ... + 64391851832.

It is an arithmetic number, because the mean of its divisors is an integer number (386351110914).

Almost surely, 2^{1802971850918} is an apocalyptic number.

1802971850918 is a deficient number, since it is larger than the sum of its proper divisors (1287837036394).

1802971850918 is a wasteful number, since it uses less digits than its factorization.

1802971850918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128783703646.

The product of its (nonzero) digits is 2903040, while the sum is 59.

The spelling of 1802971850918 in words is "one trillion, eight hundred two billion, nine hundred seventy-one million, eight hundred fifty thousand, nine hundred eighteen".