18416629337 has 2 divisors, whose sum is σ = 18416629338. Its totient is φ = 18416629336.

The previous prime is 18416629267. The next prime is 18416629351. The reversal of 18416629337 is 73392661481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12838929481 + 5577699856 = 113309^2 + 74684^2 .

It is an emirp because it is prime and its reverse (73392661481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18416629337 - 2¹⁴ = 18416612953 is a prime.

It is a super-2 number, since 2×18416629337² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18416629937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9208314668 + 9208314669.

It is an arithmetic number, because the mean of its divisors is an integer number (9208314669).

Almost surely, 2^18416629337 is an apocalyptic number.

It is an amenable number.

18416629337 is a deficient number, since it is larger than the sum of its proper divisors (1).

18416629337 is an equidigital number, since it uses as much as digits as its factorization.

18416629337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 50.

The spelling of 18416629337 in words is "eighteen billion, four hundred sixteen million, six hundred twenty-nine thousand, three hundred thirty-seven".