3969537670171 has 2 divisors, whose sum is σ = 3969537670172. Its totient is φ = 3969537670170.

The previous prime is 3969537670159. The next prime is 3969537670213. The reversal of 3969537670171 is 1710767359693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3969537670171 - 2¹⁹ = 3969537145883 is a prime.

It is a super-2 number, since 2×3969537670171² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3969537670471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1984768835085 + 1984768835086.

It is an arithmetic number, because the mean of its divisors is an integer number (1984768835086).

Almost surely, 2^{3969537670171} is an apocalyptic number.

3969537670171 is a deficient number, since it is larger than the sum of its proper divisors (1).

3969537670171 is an equidigital number, since it uses as much as digits as its factorization.

3969537670171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45008460, while the sum is 64.

The spelling of 3969537670171 in words is "three trillion, nine hundred sixty-nine billion, five hundred thirty-seven million, six hundred seventy thousand, one hundred seventy-one".