18312672362 has 4 divisors (see below), whose sum is σ = 27469008546. Its totient is φ = 9156336180.

The previous prime is 18312672353. The next prime is 18312672403. The reversal of 18312672362 is 26327621381.

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

It can be written as a sum of positive squares in only one way, i.e., 16684630561 + 1628041801 = 129169^2 + 40349^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4578168089 + ... + 4578168092.

Almost surely, 2^18312672362 is an apocalyptic number.

18312672362 is a deficient number, since it is larger than the sum of its proper divisors (9156336184).

18312672362 is an equidigital number, since it uses as much as digits as its factorization.

18312672362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9156336183.

The product of its digits is 145152, while the sum is 41.

The spelling of 18312672362 in words is "eighteen billion, three hundred twelve million, six hundred seventy-two thousand, three hundred sixty-two".