18276747394 has 8 divisors (see below), whose sum is σ = 27417354048. Its totient is φ = 9137629380.

The previous prime is 18276747383. The next prime is 18276747403. The reversal of 18276747394 is 49374767281.

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, 340942 + ... + 390889.

It is an arithmetic number, because the mean of its divisors is an integer number (3427169256).

Almost surely, 2^18276747394 is an apocalyptic number.

18276747394 is a deficient number, since it is larger than the sum of its proper divisors (9140606654).

18276747394 is a wasteful number, since it uses less digits than its factorization.

18276747394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744320.

The product of its digits is 14224896, while the sum is 58.

The spelling of 18276747394 in words is "eighteen billion, two hundred seventy-six million, seven hundred forty-seven thousand, three hundred ninety-four".