16938937766741 has 2 divisors, whose sum is σ = 16938937766742. Its totient is φ = 16938937766740.

The previous prime is 16938937766701. The next prime is 16938937766743. The reversal of 16938937766741 is 14766773983961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16882820894641 + 56116872100 = 4108871^2 + 236890^2 .

It is a cyclic number.

It is not a de Polignac number, because 16938937766741 - 2²² = 16938933572437 is a prime.

It is a super-2 number, since 2×16938937766741² (a number of 27 digits) contains 22 as substring.

Together with 16938937766743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16938937766743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8469468883370 + 8469468883371.

It is an arithmetic number, because the mean of its divisors is an integer number (8469468883371).

Almost surely, 2^{16938937766741} is an apocalyptic number.

It is an amenable number.

16938937766741 is a deficient number, since it is larger than the sum of its proper divisors (1).

16938937766741 is an equidigital number, since it uses as much as digits as its factorization.

16938937766741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728324864, while the sum is 77.

The spelling of 16938937766741 in words is "sixteen trillion, nine hundred thirty-eight billion, nine hundred thirty-seven million, seven hundred sixty-six thousand, seven hundred forty-one".