3868590993 has 4 divisors (see below), whose sum is σ = 5158121328. Its totient is φ = 2579060660.

The previous prime is 3868590983. The next prime is 3868591031. The reversal of 3868590993 is 3990958683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3868590993 - 2¹⁰ = 3868589969 is a prime.

It is a super-2 number, since 2×3868590993² = 29931992542241452098, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3868590953) 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, 644765163 + ... + 644765168.

It is an arithmetic number, because the mean of its divisors is an integer number (1289530332).

Almost surely, 2^3868590993 is an apocalyptic number.

It is an amenable number.

3868590993 is a deficient number, since it is larger than the sum of its proper divisors (1289530335).

3868590993 is a wasteful number, since it uses less digits than its factorization.

3868590993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289530334.

The product of its (nonzero) digits is 12597120, while the sum is 60.

The square root of 3868590993 is about 62197.9983038040. The cubic root of 3868590993 is about 1569.8239072518.

The spelling of 3868590993 in words is "three billion, eight hundred sixty-eight million, five hundred ninety thousand, nine hundred ninety-three".