18294912802 has 16 divisors (see below), whose sum is σ = 28274323320. Its totient is φ = 8874017152.

The previous prime is 18294912791. The next prime is 18294912803. The reversal of 18294912802 is 20821949281.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11073142441 + 7221770361 = 105229^2 + 84981^2 .

It is not an unprimeable number, because it can be changed into a prime (18294912803) 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, 960193 + ... + 979060.

Almost surely, 2^18294912802 is an apocalyptic number.

18294912802 is a deficient number, since it is larger than the sum of its proper divisors (9979410518).

18294912802 is a wasteful number, since it uses less digits than its factorization.

18294912802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939397.

The product of its (nonzero) digits is 165888, while the sum is 46.

The spelling of 18294912802 in words is "eighteen billion, two hundred ninety-four million, nine hundred twelve thousand, eight hundred two".