16939584703231 has 2 divisors, whose sum is σ = 16939584703232. Its totient is φ = 16939584703230.

The previous prime is 16939584703207. The next prime is 16939584703241. The reversal of 16939584703231 is 13230748593961.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16939584703231 is a prime.

It is a super-2 number, since 2×16939584703231² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16939584703231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16939584703241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8469792351615 + 8469792351616.

It is an arithmetic number, because the mean of its divisors is an integer number (8469792351616).

It is a 1-persistent number, because it is pandigital, but 2⋅16939584703231 = 33879169406462 is not.

Almost surely, 2^{16939584703231} is an apocalyptic number.

16939584703231 is a deficient number, since it is larger than the sum of its proper divisors (1).

16939584703231 is an equidigital number, since it uses as much as digits as its factorization.

16939584703231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 16939584703231 in words is "sixteen trillion, nine hundred thirty-nine billion, five hundred eighty-four million, seven hundred three thousand, two hundred thirty-one".