3668928623 has 4 divisors (see below), whose sum is σ = 3673113000. Its totient is φ = 3664744248.

The previous prime is 3668928607. The next prime is 3668928673. The reversal of 3668928623 is 3268298663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3268298663 = 7 ⋅466899809.

It is a cyclic number.

It is not a de Polignac number, because 3668928623 - 2⁴ = 3668928607 is a prime.

It is a super-2 number, since 2×3668928623² = 26922074481337352258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668928673) 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, 2090873 + ... + 2092626.

It is an arithmetic number, because the mean of its divisors is an integer number (918278250).

Almost surely, 2^3668928623 is an apocalyptic number.

3668928623 is a deficient number, since it is larger than the sum of its proper divisors (4184377).

3668928623 is an equidigital number, since it uses as much as digits as its factorization.

3668928623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4184376.

The product of its digits is 4478976, while the sum is 53.

The square root of 3668928623 is about 60571.6816920250. The cubic root of 3668928623 is about 1542.3386941535.

The spelling of 3668928623 in words is "three billion, six hundred sixty-eight million, nine hundred twenty-eight thousand, six hundred twenty-three".