16938052237 has 2 divisors, whose sum is σ = 16938052238. Its totient is φ = 16938052236.

The previous prime is 16938052139. The next prime is 16938052337. The reversal of 16938052237 is 73225083961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13966276041 + 2971776196 = 118179^2 + 54514^2 .

It is a cyclic number.

It is not a de Polignac number, because 16938052237 - 2²³ = 16929663629 is a prime.

It is a super-2 number, since 2×16938052237² (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 (16938052337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8469026118 + 8469026119.

It is an arithmetic number, because the mean of its divisors is an integer number (8469026119).

Almost surely, 2^16938052237 is an apocalyptic number.

It is an amenable number.

16938052237 is a deficient number, since it is larger than the sum of its proper divisors (1).

16938052237 is an equidigital number, since it uses as much as digits as its factorization.

16938052237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 16938052237 in words is "sixteen billion, nine hundred thirty-eight million, fifty-two thousand, two hundred thirty-seven".