3863566397 has 4 divisors (see below), whose sum is σ = 3869223840. Its totient is φ = 3857908956.

The previous prime is 3863566393. The next prime is 3863566403. The reversal of 3863566397 is 7936653683.

3863566397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7936653683 = 7 ⋅1133807669.

It is a cyclic number.

It is not a de Polignac number, because 3863566397 - 2² = 3863566393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3863566393) 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, 2827697 + ... + 2829062.

It is an arithmetic number, because the mean of its divisors is an integer number (967305960).

Almost surely, 2^3863566397 is an apocalyptic number.

It is an amenable number.

3863566397 is a deficient number, since it is larger than the sum of its proper divisors (5657443).

3863566397 is an equidigital number, since it uses as much as digits as its factorization.

3863566397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5657442.

The product of its digits is 14696640, while the sum is 56.

The square root of 3863566397 is about 62157.5932368685. The cubic root of 3863566397 is about 1569.1439742292.

The spelling of 3863566397 in words is "three billion, eight hundred sixty-three million, five hundred sixty-six thousand, three hundred ninety-seven".