18883315037 has 2 divisors, whose sum is σ = 18883315038. Its totient is φ = 18883315036.

The previous prime is 18883315021. The next prime is 18883315049. The reversal of 18883315037 is 73051338881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17009637241 + 1873677796 = 130421^2 + 43286^2 .

It is a cyclic number.

It is not a de Polignac number, because 18883315037 - 2⁴ = 18883315021 is a prime.

It is a super-2 number, since 2×18883315037² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18883314982 and 18883315000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18883315007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9441657518 + 9441657519.

It is an arithmetic number, because the mean of its divisors is an integer number (9441657519).

Almost surely, 2^18883315037 is an apocalyptic number.

It is an amenable number.

18883315037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18883315037 is an equidigital number, since it uses as much as digits as its factorization.

18883315037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 18883315037 in words is "eighteen billion, eight hundred eighty-three million, three hundred fifteen thousand, thirty-seven".