3868852591 has 2 divisors, whose sum is σ = 3868852592. Its totient is φ = 3868852590.

The previous prime is 3868852579. The next prime is 3868852633. The reversal of 3868852591 is 1952588683.

3868852591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3868852591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3868852511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1934426295 + 1934426296.

It is an arithmetic number, because the mean of its divisors is an integer number (1934426296).

Almost surely, 2^3868852591 is an apocalyptic number.

3868852591 is a deficient number, since it is larger than the sum of its proper divisors (1).

3868852591 is an equidigital number, since it uses as much as digits as its factorization.

3868852591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4147200, while the sum is 55.

The square root of 3868852591 is about 62200.1012137440. The cubic root of 3868852591 is about 1569.8592908095.

The spelling of 3868852591 in words is "three billion, eight hundred sixty-eight million, eight hundred fifty-two thousand, five hundred ninety-one".