18497773048 has 16 divisors (see below), whose sum is σ = 34686146880. Its totient is φ = 9248133888.

The previous prime is 18497773037. The next prime is 18497773079. The reversal of 18497773048 is 84037779481.

It is a junction number, because it is equal to n+sod(n) for n = 18497772983 and 18497773001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18265 + ... + 193207.

It is an arithmetic number, because the mean of its divisors is an integer number (2167884180).

Almost surely, 2^18497773048 is an apocalyptic number.

It is an amenable number.

18497773048 is a deficient number, since it is larger than the sum of its proper divisors (16188373832).

18497773048 is a wasteful number, since it uses less digits than its factorization.

18497773048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188166 (or 188162 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 58.

The spelling of 18497773048 in words is "eighteen billion, four hundred ninety-seven million, seven hundred seventy-three thousand, forty-eight".