18098584958 has 4 divisors (see below), whose sum is σ = 27147877440. Its totient is φ = 9049292478.

The previous prime is 18098584939. The next prime is 18098584967. The reversal of 18098584958 is 85948589081.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85948589081 = 61409 ⋅1399609.

It is a junction number, because it is equal to n+sod(n) for n = 18098584894 and 18098584903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4524646238 + ... + 4524646241.

It is an arithmetic number, because the mean of its divisors is an integer number (6786969360).

Almost surely, 2^18098584958 is an apocalyptic number.

18098584958 is a deficient number, since it is larger than the sum of its proper divisors (9049292482).

18098584958 is an equidigital number, since it uses as much as digits as its factorization.

18098584958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9049292481.

The product of its (nonzero) digits is 33177600, while the sum is 65.

The spelling of 18098584958 in words is "eighteen billion, ninety-eight million, five hundred eighty-four thousand, nine hundred fifty-eight".