4091308092349 has 2 divisors, whose sum is σ = 4091308092350. Its totient is φ = 4091308092348.

The previous prime is 4091308092331. The next prime is 4091308092353. The reversal of 4091308092349 is 9432908031904.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2814593405625 + 1276714686724 = 1677675^2 + 1129918^2 .

It is a cyclic number.

It is not a de Polignac number, because 4091308092349 - 2⁹ = 4091308091837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4091308092296 and 4091308092305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4091308092649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045654046174 + 2045654046175.

It is an arithmetic number, because the mean of its divisors is an integer number (2045654046175).

Almost surely, 2^{4091308092349} is an apocalyptic number.

It is an amenable number.

4091308092349 is a deficient number, since it is larger than the sum of its proper divisors (1).

4091308092349 is an equidigital number, since it uses as much as digits as its factorization.

4091308092349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 4091308092349 in words is "four trillion, ninety-one billion, three hundred eight million, ninety-two thousand, three hundred forty-nine".