4171296716981 has 2 divisors, whose sum is σ = 4171296716982. Its totient is φ = 4171296716980.

The previous prime is 4171296716869. The next prime is 4171296717011. The reversal of 4171296716981 is 1896176921714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3056783669956 + 1114513047025 = 1748366^2 + 1055705^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4171296716981 is a prime.

It is a super-2 number, since 2×4171296716981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4171296716681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085648358490 + 2085648358491.

It is an arithmetic number, because the mean of its divisors is an integer number (2085648358491).

Almost surely, 2^{4171296716981} is an apocalyptic number.

It is an amenable number.

4171296716981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4171296716981 is an equidigital number, since it uses as much as digits as its factorization.

4171296716981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 62.

The spelling of 4171296716981 in words is "four trillion, one hundred seventy-one billion, two hundred ninety-six million, seven hundred sixteen thousand, nine hundred eighty-one".