3105717149 has 2 divisors, whose sum is σ = 3105717150. Its totient is φ = 3105717148.

The previous prime is 3105717119. The next prime is 3105717221. The reversal of 3105717149 is 9417175013.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3093361924 + 12355225 = 55618^2 + 3515^2 .

It is a cyclic number.

It is not a de Polignac number, because 3105717149 - 2¹² = 3105713053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3105717119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1552858574 + 1552858575.

It is an arithmetic number, because the mean of its divisors is an integer number (1552858575).

Almost surely, 2^3105717149 is an apocalyptic number.

It is an amenable number.

3105717149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3105717149 is an equidigital number, since it uses as much as digits as its factorization.

3105717149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26460, while the sum is 38.

The square root of 3105717149 is about 55728.9614922080. The cubic root of 3105717149 is about 1458.9955480903.

The spelling of 3105717149 in words is "three billion, one hundred five million, seven hundred seventeen thousand, one hundred forty-nine".