3318746149 has 4 divisors (see below), whose sum is σ = 3395926336. Its totient is φ = 3241565964.

The previous prime is 3318746147. The next prime is 3318746203. The reversal of 3318746149 is 9416478133.

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 a cyclic number.

It is not a de Polignac number, because 3318746149 - 2¹ = 3318746147 is a prime.

It is a super-2 number, since 2×3318746149² = 22028152003004660402, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3318746099 and 3318746108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318746143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38590029 + ... + 38590114.

It is an arithmetic number, because the mean of its divisors is an integer number (848981584).

Almost surely, 2^3318746149 is an apocalyptic number.

It is an amenable number.

3318746149 is a deficient number, since it is larger than the sum of its proper divisors (77180187).

3318746149 is an equidigital number, since it uses as much as digits as its factorization.

3318746149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77180186.

The product of its digits is 435456, while the sum is 46.

The square root of 3318746149 is about 57608.5596851718. The cubic root of 3318746149 is about 1491.6193599318.

The spelling of 3318746149 in words is "three billion, three hundred eighteen million, seven hundred forty-six thousand, one hundred forty-nine".