3149406173 has 2 divisors, whose sum is σ = 3149406174. Its totient is φ = 3149406172.

The previous prime is 3149406109. The next prime is 3149406181. The reversal of 3149406173 is 3716049413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2706808729 + 442597444 = 52027^2 + 21038^2 .

It is a cyclic number.

It is not a de Polignac number, because 3149406173 - 2⁶ = 3149406109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3149406773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1574703086 + 1574703087.

It is an arithmetic number, because the mean of its divisors is an integer number (1574703087).

Almost surely, 2^3149406173 is an apocalyptic number.

It is an amenable number.

3149406173 is a deficient number, since it is larger than the sum of its proper divisors (1).

3149406173 is an equidigital number, since it uses as much as digits as its factorization.

3149406173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 3149406173 is about 56119.5703208783. The cubic root of 3149406173 is about 1465.8050878149.

The spelling of 3149406173 in words is "three billion, one hundred forty-nine million, four hundred six thousand, one hundred seventy-three".