2013663709 has 8 divisors (see below), whose sum is σ = 2082060288. Its totient is φ = 1946185440.

The previous prime is 2013663667. The next prime is 2013663713. The reversal of 2013663709 is 9073663102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2013663709 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 (2013673709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225117 + ... + 233890.

It is an arithmetic number, because the mean of its divisors is an integer number (260257536).

Almost surely, 2^2013663709 is an apocalyptic number.

It is an amenable number.

2013663709 is a deficient number, since it is larger than the sum of its proper divisors (68396579).

2013663709 is a wasteful number, since it uses less digits than its factorization.

2013663709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459155.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 2013663709 is about 44873.8644313146. The cubic root of 2013663709 is about 1262.7837396966.

It can be divided in two parts, 20136 and 63709, that added together give a triangular number (83845 = T₄₀₉).

The spelling of 2013663709 in words is "two billion, thirteen million, six hundred sixty-three thousand, seven hundred nine".