18708858573 has 24 divisors (see below), whose sum is σ = 26356226688. Its totient is φ = 11803071168.

The previous prime is 18708858557. The next prime is 18708858583. The reversal of 18708858573 is 37585880781.

It is not a de Polignac number, because 18708858573 - 2⁴ = 18708858557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18708858583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1023036 + ... + 1041162.

It is an arithmetic number, because the mean of its divisors is an integer number (1098176112).

Almost surely, 2^18708858573 is an apocalyptic number.

It is an amenable number.

18708858573 is a deficient number, since it is larger than the sum of its proper divisors (7647368115).

18708858573 is a wasteful number, since it uses less digits than its factorization.

18708858573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19121 (or 19102 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 60.

The spelling of 18708858573 in words is "eighteen billion, seven hundred eight million, eight hundred fifty-eight thousand, five hundred seventy-three".