18514740037 has 2 divisors, whose sum is σ = 18514740038. Its totient is φ = 18514740036.

The previous prime is 18514739993. The next prime is 18514740113. The reversal of 18514740037 is 73004741581.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13485944641 + 5028795396 = 116129^2 + 70914^2 .

It is an emirp because it is prime and its reverse (73004741581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18514740037 - 2¹⁵ = 18514707269 is a prime.

It is a super-2 number, since 2×18514740037² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18514840037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9257370018 + 9257370019.

It is an arithmetic number, because the mean of its divisors is an integer number (9257370019).

Almost surely, 2^18514740037 is an apocalyptic number.

It is an amenable number.

18514740037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18514740037 is an equidigital number, since it uses as much as digits as its factorization.

18514740037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 18514740037 in words is "eighteen billion, five hundred fourteen million, seven hundred forty thousand, thirty-seven".