3676213681 has 18 divisors (see below), whose sum is σ = 4429008870. Its totient is φ = 3042349632.

The previous prime is 3676213661. The next prime is 3676213693. The reversal of 3676213681 is 1863126763.

It can be written as a sum of positive squares in 3 ways, for example, as 311169600 + 3365044081 = 17640^2 + 58009^2 .

It is not a de Polignac number, because 3676213681 - 2¹⁹ = 3675689393 is a prime.

It is a super-2 number, since 2×3676213681² = 27029094056743139522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3676213631) 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 17 ways as a sum of consecutive naturals, for example, 3396 + ... + 85813.

Almost surely, 2^3676213681 is an apocalyptic number.

It is an amenable number.

3676213681 is a deficient number, since it is larger than the sum of its proper divisors (752795189).

3676213681 is an equidigital number, since it uses as much as digits as its factorization.

3676213681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89281 (or 89245 counting only the distinct ones).

The product of its digits is 217728, while the sum is 43.

The square root of 3676213681 is about 60631.7877107380. The cubic root of 3676213681 is about 1543.3588464834.

The spelling of 3676213681 in words is "three billion, six hundred seventy-six million, two hundred thirteen thousand, six hundred eighty-one".