3316738649 has 4 divisors (see below), whose sum is σ = 3790558464. Its totient is φ = 2842918836.

The previous prime is 3316738643. The next prime is 3316738657. The reversal of 3316738649 is 9468376133.

It is a happy number.

3316738649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9468376133 = 1613 ⋅5870041.

It is a cyclic number.

It is not a de Polignac number, because 3316738649 - 2²⁰ = 3315690073 is a prime.

It is a super-2 number, since 2×3316738649² = 22001510531540690402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3316738597 and 3316738606.

It is not an unprimeable number, because it can be changed into a prime (3316738643) 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, 236909897 + ... + 236909910.

It is an arithmetic number, because the mean of its divisors is an integer number (947639616).

Almost surely, 2^3316738649 is an apocalyptic number.

It is an amenable number.

3316738649 is a deficient number, since it is larger than the sum of its proper divisors (473819815).

3316738649 is an equidigital number, since it uses as much as digits as its factorization.

3316738649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473819814.

The product of its digits is 1959552, while the sum is 50.

The square root of 3316738649 is about 57591.1334234707. The cubic root of 3316738649 is about 1491.3185405152.

The spelling of 3316738649 in words is "three billion, three hundred sixteen million, seven hundred thirty-eight thousand, six hundred forty-nine".