18792699011 has 4 divisors (see below), whose sum is σ = 19898151912. Its totient is φ = 17687246112.

The previous prime is 18792698993. The next prime is 18792699017. The reversal of 18792699011 is 11099629781.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18792699011 - 2³⁰ = 17718957187 is a prime.

It is a super-2 number, since 2×18792699011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18792699017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552726425 + ... + 552726458.

It is an arithmetic number, because the mean of its divisors is an integer number (4974537978).

Almost surely, 2^18792699011 is an apocalyptic number.

18792699011 is a deficient number, since it is larger than the sum of its proper divisors (1105452901).

18792699011 is a wasteful number, since it uses less digits than its factorization.

18792699011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105452900.

The product of its (nonzero) digits is 489888, while the sum is 53.

The spelling of 18792699011 in words is "eighteen billion, seven hundred ninety-two million, six hundred ninety-nine thousand, eleven".