3950171249099 has 2 divisors, whose sum is σ = 3950171249100. Its totient is φ = 3950171249098.

The previous prime is 3950171249041. The next prime is 3950171249137. The reversal of 3950171249099 is 9909421710593.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3950171249099 is a prime.

It is not a weakly prime, because it can be changed into another prime (3950171249399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1975085624549 + 1975085624550.

It is an arithmetic number, because the mean of its divisors is an integer number (1975085624550).

Almost surely, 2^{3950171249099} is an apocalyptic number.

3950171249099 is a deficient number, since it is larger than the sum of its proper divisors (1).

3950171249099 is an equidigital number, since it uses as much as digits as its factorization.

3950171249099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The spelling of 3950171249099 in words is "three trillion, nine hundred fifty billion, one hundred seventy-one million, two hundred forty-nine thousand, ninety-nine".