3366638723 has 8 divisors (see below), whose sum is σ = 3853081440. Its totient is φ = 2881569600.

The previous prime is 3366638711. The next prime is 3366638749. The reversal of 3366638723 is 3278366633.

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

It is not a de Polignac number, because 3366638723 - 2¹⁴ = 3366622339 is a prime.

It is a super-2 number, since 2×3366638723² = 22668512582406141458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3366638753) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338138 + ... + 347951.

It is an arithmetic number, because the mean of its divisors is an integer number (481635180).

Almost surely, 2^3366638723 is an apocalyptic number.

3366638723 is a deficient number, since it is larger than the sum of its proper divisors (486442717).

3366638723 is an equidigital number, since it uses as much as digits as its factorization.

3366638723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686797.

The product of its digits is 1959552, while the sum is 47.

The square root of 3366638723 is about 58022.7431530085. The cubic root of 3366638723 is about 1498.7602679549.

The spelling of 3366638723 in words is "three billion, three hundred sixty-six million, six hundred thirty-eight thousand, seven hundred twenty-three".