3671316549 has 16 divisors (see below), whose sum is σ = 5758928640. Its totient is φ = 2303570880.

The previous prime is 3671316541. The next prime is 3671316563. The reversal of 3671316549 is 9456131763.

It is a happy number.

3671316549 is a `hidden beast` number, since 3 + 6 + 71 + 31 + 6 + 549 = 666.

It is not a de Polignac number, because 3671316549 - 2³ = 3671316541 is a prime.

It is a super-2 number, since 2×3671316549² = 26957130405922538802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3671316541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3998797 + ... + 3999714.

It is an arithmetic number, because the mean of its divisors is an integer number (359933040).

Almost surely, 2^3671316549 is an apocalyptic number.

It is an amenable number.

3671316549 is a deficient number, since it is larger than the sum of its proper divisors (2087612091).

3671316549 is a wasteful number, since it uses less digits than its factorization.

3671316549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7998537 (or 7998531 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 3671316549 is about 60591.3900566739. The cubic root of 3671316549 is about 1542.6732324987.

It can be divided in two parts, 367131 and 6549, that added together give a triangular number (373680 = T₈₆₄).

The spelling of 3671316549 in words is "three billion, six hundred seventy-one million, three hundred sixteen thousand, five hundred forty-nine".