16843911684139 has 2 divisors, whose sum is σ = 16843911684140. Its totient is φ = 16843911684138.

The previous prime is 16843911684107. The next prime is 16843911684221. The reversal of 16843911684139 is 93148611934861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16843911684139 - 2⁵ = 16843911684107 is a prime.

It is not a weakly prime, because it can be changed into another prime (16843911684539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8421955842069 + 8421955842070.

It is an arithmetic number, because the mean of its divisors is an integer number (8421955842070).

Almost surely, 2^{16843911684139} is an apocalyptic number.

16843911684139 is a deficient number, since it is larger than the sum of its proper divisors (1).

16843911684139 is an equidigital number, since it uses as much as digits as its factorization.

16843911684139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26873856, while the sum is 64.

The spelling of 16843911684139 in words is "sixteen trillion, eight hundred forty-three billion, nine hundred eleven million, six hundred eighty-four thousand, one hundred thirty-nine".