18148250973 has 8 divisors (see below), whose sum is σ = 24287623200. Its totient is φ = 12053856368.

The previous prime is 18148250903. The next prime is 18148251089. The reversal of 18148250973 is 37905284181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18148250973 - 2¹⁰ = 18148249949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18148250903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11243463 + ... + 11245076.

It is an arithmetic number, because the mean of its divisors is an integer number (3035952900).

Almost surely, 2^18148250973 is an apocalyptic number.

It is an amenable number.

18148250973 is a deficient number, since it is larger than the sum of its proper divisors (6139372227).

18148250973 is a wasteful number, since it uses less digits than its factorization.

18148250973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22488811.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 18148250973 in words is "eighteen billion, one hundred forty-eight million, two hundred fifty thousand, nine hundred seventy-three".