2013663101 has 4 divisors (see below), whose sum is σ = 2014106304. Its totient is φ = 2013219900.

The previous prime is 2013663089. The next prime is 2013663137. The reversal of 2013663101 is 1013663102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013663101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013663161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214715 + ... + 223896.

It is an arithmetic number, because the mean of its divisors is an integer number (503526576).

Almost surely, 2^2013663101 is an apocalyptic number.

It is an amenable number.

2013663101 is a deficient number, since it is larger than the sum of its proper divisors (443203).

2013663101 is an equidigital number, since it uses as much as digits as its factorization.

2013663101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443202.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2013663101 is about 44873.8576567694. The cubic root of 2013663101 is about 1262.7836126028.

Subtracting from 2013663101 its reverse (1013663102), we obtain a palindrome (999999999).

The spelling of 2013663101 in words is "two billion, thirteen million, six hundred sixty-three thousand, one hundred one".