18089962298 has 4 divisors (see below), whose sum is σ = 27134943450. Its totient is φ = 9044981148.

The previous prime is 18089962243. The next prime is 18089962321. The reversal of 18089962298 is 89226998081.

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., 17603186329 + 486775969 = 132677^2 + 22063^2 .

It is a super-2 number, since 2×18089962298² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18089962298.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4522490573 + ... + 4522490576.

Almost surely, 2^18089962298 is an apocalyptic number.

18089962298 is a deficient number, since it is larger than the sum of its proper divisors (9044981152).

18089962298 is an equidigital number, since it uses as much as digits as its factorization.

18089962298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9044981151.

The product of its (nonzero) digits is 8957952, while the sum is 62.

The spelling of 18089962298 in words is "eighteen billion, eighty-nine million, nine hundred sixty-two thousand, two hundred ninety-eight".