2135519379 has 24 divisors (see below), whose sum is σ = 3732674400. Its totient is φ = 1148514048.

The previous prime is 2135519359. The next prime is 2135519381. The reversal of 2135519379 is 9739155312.

2135519379 is a `hidden beast` number, since 2 + 1 + 3 + 551 + 93 + 7 + 9 = 666.

It is not a de Polignac number, because 2135519379 - 2⁸ = 2135519123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2135519359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 995904 + ... + 998045.

It is an arithmetic number, because the mean of its divisors is an integer number (155528100).

Almost surely, 2^2135519379 is an apocalyptic number.

2135519379 is a deficient number, since it is larger than the sum of its proper divisors (1597155021).

2135519379 is a wasteful number, since it uses less digits than its factorization.

2135519379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993979 (or 1993976 counting only the distinct ones).

The product of its digits is 255150, while the sum is 45.

The square root of 2135519379 is about 46211.6801144473. The cubic root of 2135519379 is about 1287.7587385111.

The spelling of 2135519379 in words is "two billion, one hundred thirty-five million, five hundred nineteen thousand, three hundred seventy-nine".