18192747373 has 8 divisors (see below), whose sum is σ = 18265261536. Its totient is φ = 18120339600.

The previous prime is 18192747347. The next prime is 18192747401. The reversal of 18192747373 is 37374729181.

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 18192747373 - 2¹⁷ = 18192616301 is a prime.

It is a super-2 number, since 2×18192747373² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18192747373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18192747073) 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, 325290 + ... + 377092.

It is an arithmetic number, because the mean of its divisors is an integer number (2283157692).

Almost surely, 2^18192747373 is an apocalyptic number.

It is an amenable number.

18192747373 is a deficient number, since it is larger than the sum of its proper divisors (72514163).

18192747373 is a wasteful number, since it uses less digits than its factorization.

18192747373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53195.

The product of its digits is 1778112, while the sum is 52.

The spelling of 18192747373 in words is "eighteen billion, one hundred ninety-two million, seven hundred forty-seven thousand, three hundred seventy-three".