2865135619 has 2 divisors, whose sum is σ = 2865135620. Its totient is φ = 2865135618.

The previous prime is 2865135607. The next prime is 2865135629. The reversal of 2865135619 is 9165315682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2865135619 - 2⁵ = 2865135587 is a prime.

It is a super-2 number, since 2×2865135619² = 16418004230525026322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2865135629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1432567809 + 1432567810.

It is an arithmetic number, because the mean of its divisors is an integer number (1432567810).

Almost surely, 2^2865135619 is an apocalyptic number.

2865135619 is a deficient number, since it is larger than the sum of its proper divisors (1).

2865135619 is an equidigital number, since it uses as much as digits as its factorization.

2865135619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 46.

The square root of 2865135619 is about 53526.9616081466. The cubic root of 2865135619 is about 1420.3053662852.

The spelling of 2865135619 in words is "two billion, eight hundred sixty-five million, one hundred thirty-five thousand, six hundred nineteen".