3668748393 has 16 divisors (see below), whose sum is σ = 5180725440. Its totient is φ = 2301374976.

The previous prime is 3668748389. The next prime is 3668748409. The reversal of 3668748393 is 3938478663.

3668748393 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3668748393 - 2² = 3668748389 is a prime.

It is a super-2 number, since 2×3668748393² = 26919429542280164898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3668748353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286318 + ... + 298856.

It is an arithmetic number, because the mean of its divisors is an integer number (323795340).

Almost surely, 2^3668748393 is an apocalyptic number.

It is an amenable number.

3668748393 is a deficient number, since it is larger than the sum of its proper divisors (1511977047).

3668748393 is a wasteful number, since it uses less digits than its factorization.

3668748393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18296.

The product of its digits is 15676416, while the sum is 57.

The square root of 3668748393 is about 60570.1939323295. The cubic root of 3668748393 is about 1542.3134388012.

The spelling of 3668748393 in words is "three billion, six hundred sixty-eight million, seven hundred forty-eight thousand, three hundred ninety-three".