3668386749 has 8 divisors (see below), whose sum is σ = 4960072512. Its totient is φ = 2411146080.

The previous prime is 3668386739. The next prime is 3668386807. The reversal of 3668386749 is 9476838663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3668386749 - 2²⁵ = 3634832317 is a prime.

It is a super-2 number, since 2×3668386749² = 26914122680477578002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3668386692 and 3668386701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668386739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8611024 + ... + 8611449.

It is an arithmetic number, because the mean of its divisors is an integer number (620009064).

Almost surely, 2^3668386749 is an apocalyptic number.

It is an amenable number.

3668386749 is a deficient number, since it is larger than the sum of its proper divisors (1291685763).

3668386749 is a wasteful number, since it uses less digits than its factorization.

3668386749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17222547.

The product of its digits is 31352832, while the sum is 60.

The square root of 3668386749 is about 60567.2085290382. The cubic root of 3668386749 is about 1542.2627596894.

The spelling of 3668386749 in words is "three billion, six hundred sixty-eight million, three hundred eighty-six thousand, seven hundred forty-nine".