2135872867 has 2 divisors, whose sum is σ = 2135872868. Its totient is φ = 2135872866.

The previous prime is 2135872861. The next prime is 2135872873. The reversal of 2135872867 is 7682785312.

It is a balanced prime because it is at equal distance from previous prime (2135872861) and next prime (2135872873).

It is a cyclic number.

It is not a de Polignac number, because 2135872867 - 2¹¹ = 2135870819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2135872867.

It is not a weakly prime, because it can be changed into another prime (2135872861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067936433 + 1067936434.

It is an arithmetic number, because the mean of its divisors is an integer number (1067936434).

Almost surely, 2^2135872867 is an apocalyptic number.

2135872867 is a deficient number, since it is larger than the sum of its proper divisors (1).

2135872867 is an equidigital number, since it uses as much as digits as its factorization.

2135872867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 49.

The square root of 2135872867 is about 46215.5046169573. The cubic root of 2135872867 is about 1287.8297879166.

The spelling of 2135872867 in words is "two billion, one hundred thirty-five million, eight hundred seventy-two thousand, eight hundred sixty-seven".