18258494764 has 24 divisors (see below), whose sum is σ = 32659296768. Its totient is φ = 8927589840.

The previous prime is 18258494759. The next prime is 18258494827. The reversal of 18258494764 is 46749485281.

It is a junction number, because it is equal to n+sod(n) for n = 18258494699 and 18258494708.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190219 + ... + 269629.

It is an arithmetic number, because the mean of its divisors is an integer number (1360804032).

Almost surely, 2^18258494764 is an apocalyptic number.

It is an amenable number.

18258494764 is a deficient number, since it is larger than the sum of its proper divisors (14400802004).

18258494764 is a wasteful number, since it uses less digits than its factorization.

18258494764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80685 (or 80683 counting only the distinct ones).

The product of its digits is 15482880, while the sum is 58.

The spelling of 18258494764 in words is "eighteen billion, two hundred fifty-eight million, four hundred ninety-four thousand, seven hundred sixty-four".