3860243565 has 16 divisors (see below), whose sum is σ = 6207746688. Its totient is φ = 2048344256.

The previous prime is 3860243539. The next prime is 3860243573. The reversal of 3860243565 is 5653420683.

3860243565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3860243565 - 2⁶ = 3860243501 is a prime.

It is a super-2 number, since 2×3860243565² = 29802960762247818450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 650217 + ... + 656126.

It is an arithmetic number, because the mean of its divisors is an integer number (387984168).

Almost surely, 2^3860243565 is an apocalyptic number.

It is an amenable number.

3860243565 is a deficient number, since it is larger than the sum of its proper divisors (2347503123).

3860243565 is a wasteful number, since it uses less digits than its factorization.

3860243565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306548.

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 3860243565 is about 62130.8583958084. The cubic root of 3860243565 is about 1568.6940016095.

The spelling of 3860243565 in words is "three billion, eight hundred sixty million, two hundred forty-three thousand, five hundred sixty-five".