1802974051 has 4 divisors (see below), whose sum is σ = 1865145600. Its totient is φ = 1740802504.

The previous prime is 1802974037. The next prime is 1802974067. The reversal of 1802974051 is 1504792081.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1802974051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1802974051.

It is not an unprimeable number, because it can be changed into a prime (1802974651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31085731 + ... + 31085788.

It is an arithmetic number, because the mean of its divisors is an integer number (466286400).

Almost surely, 2^1802974051 is an apocalyptic number.

1802974051 is a deficient number, since it is larger than the sum of its proper divisors (62171549).

1802974051 is an equidigital number, since it uses as much as digits as its factorization.

1802974051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62171548.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 1802974051 is about 42461.4419326523. The cubic root of 1802974051 is about 1217.1099852504.

The spelling of 1802974051 in words is "one billion, eight hundred two million, nine hundred seventy-four thousand, fifty-one".