2013648635 has 4 divisors (see below), whose sum is σ = 2416378368. Its totient is φ = 1610918904.

The previous prime is 2013648607. The next prime is 2013648649. The reversal of 2013648635 is 5368463102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2013648635 - 2²² = 2009454331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201364859 + ... + 201364868.

It is an arithmetic number, because the mean of its divisors is an integer number (604094592).

Almost surely, 2^2013648635 is an apocalyptic number.

2013648635 is a deficient number, since it is larger than the sum of its proper divisors (402729733).

2013648635 is an equidigital number, since it uses as much as digits as its factorization.

2013648635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402729732.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 2013648635 is about 44873.6964713183. The cubic root of 2013648635 is about 1262.7805886823.

The spelling of 2013648635 in words is "two billion, thirteen million, six hundred forty-eight thousand, six hundred thirty-five".