16841971747 has 2 divisors, whose sum is σ = 16841971748. Its totient is φ = 16841971746.

The previous prime is 16841971733. The next prime is 16841971781. The reversal of 16841971747 is 74717914861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16841971747 - 2¹¹ = 16841969699 is a prime.

It is not a weakly prime, because it can be changed into another prime (16841972747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8420985873 + 8420985874.

It is an arithmetic number, because the mean of its divisors is an integer number (8420985874).

Almost surely, 2^16841971747 is an apocalyptic number.

16841971747 is a deficient number, since it is larger than the sum of its proper divisors (1).

16841971747 is an equidigital number, since it uses as much as digits as its factorization.

16841971747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 55.

The spelling of 16841971747 in words is "sixteen billion, eight hundred forty-one million, nine hundred seventy-one thousand, seven hundred forty-seven".