3149901709 has 4 divisors (see below), whose sum is σ = 3187852416. Its totient is φ = 3111951004.

The previous prime is 3149901697. The next prime is 3149901721. The reversal of 3149901709 is 9071099413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (3149901697) and next prime (3149901721).

It is a cyclic number.

It is not a de Polignac number, because 3149901709 - 2¹⁹ = 3149377421 is a prime.

It is a super-2 number, since 2×3149901709² = 19843761552722241362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149901749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18975229 + ... + 18975394.

It is an arithmetic number, because the mean of its divisors is an integer number (796963104).

Almost surely, 2^3149901709 is an apocalyptic number.

It is an amenable number.

3149901709 is a deficient number, since it is larger than the sum of its proper divisors (37950707).

3149901709 is an equidigital number, since it uses as much as digits as its factorization.

3149901709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37950706.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 3149901709 is about 56123.9851489539. The cubic root of 3149901709 is about 1465.8819616823.

The spelling of 3149901709 in words is "three billion, one hundred forty-nine million, nine hundred one thousand, seven hundred nine".