2665748013 has 16 divisors (see below), whose sum is σ = 3762316800. Its totient is φ = 1674218160.

The previous prime is 2665747999. The next prime is 2665748023. The reversal of 2665748013 is 3108475662.

2665748013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2665748013 - 2⁶ = 2665747949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665748023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120433 + ... + 140838.

It is an arithmetic number, because the mean of its divisors is an integer number (235144800).

Almost surely, 2^2665748013 is an apocalyptic number.

It is an amenable number.

2665748013 is a deficient number, since it is larger than the sum of its proper divisors (1096568787).

2665748013 is a wasteful number, since it uses less digits than its factorization.

2665748013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261472.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 2665748013 is about 51630.8823573644. The cubic root of 2665748013 is about 1386.5632906927.

The spelling of 2665748013 in words is "two billion, six hundred sixty-five million, seven hundred forty-eight thousand, thirteen".