18038280753 has 6 divisors (see below), whose sum is σ = 26055294434. Its totient is φ = 12025520496.

The previous prime is 18038280731. The next prime is 18038280761. The reversal of 18038280753 is 35708283081.

It can be written as a sum of positive squares in only one way, i.e., 17211603249 + 826677504 = 131193^2 + 28752^2 .

It is not a de Polignac number, because 18038280753 - 2⁵ = 18038280721 is a prime.

It is a super-3 number, since 3×18038280753³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18038280699 and 18038280708.

It is not an unprimeable number, because it can be changed into a prime (18038280703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1002126700 + ... + 1002126717.

Almost surely, 2^18038280753 is an apocalyptic number.

It is an amenable number.

18038280753 is a deficient number, since it is larger than the sum of its proper divisors (8017013681).

18038280753 is a wasteful number, since it uses less digits than its factorization.

18038280753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004253423 (or 2004253420 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 18038280753 in words is "eighteen billion, thirty-eight million, two hundred eighty thousand, seven hundred fifty-three".