2135614649 has 16 divisors (see below), whose sum is σ = 2570542080. Its totient is φ = 1733250960.

The previous prime is 2135614639. The next prime is 2135614661. The reversal of 2135614649 is 9464165312.

It is not a de Polignac number, because 2135614649 - 2⁴ = 2135614633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2135614619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357602 + ... + 363524.

It is an arithmetic number, because the mean of its divisors is an integer number (160658880).

Almost surely, 2^2135614649 is an apocalyptic number.

It is an amenable number.

2135614649 is a deficient number, since it is larger than the sum of its proper divisors (434927431).

2135614649 is a wasteful number, since it uses less digits than its factorization.

2135614649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660.

The product of its digits is 155520, while the sum is 41.

The square root of 2135614649 is about 46212.7109029540. The cubic root of 2135614649 is about 1287.7778880994. Note that the first 3 decimals are identical.

The spelling of 2135614649 in words is "two billion, one hundred thirty-five million, six hundred fourteen thousand, six hundred forty-nine".