2113705330765 has 24 divisors (see below), whose sum is σ = 2951531394552. Its totient is φ = 1448920811520.

The previous prime is 2113705330741. The next prime is 2113705330817. The reversal of 2113705330765 is 5670335073112.

It can be written as a sum of positive squares in 4 ways, for example, as 1253475050569 + 860230280196 = 1119587^2 + 927486^2 .

It is not a de Polignac number, because 2113705330765 - 2²¹ = 2113703233613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 673464 + ... + 2163553.

It is an arithmetic number, because the mean of its divisors is an integer number (122980474773).

Almost surely, 2^{2113705330765} is an apocalyptic number.

It is an amenable number.

2113705330765 is a deficient number, since it is larger than the sum of its proper divisors (837826063787).

2113705330765 is a wasteful number, since it uses less digits than its factorization.

2113705330765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2840077 (or 2840070 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 43.

The spelling of 2113705330765 in words is "two trillion, one hundred thirteen billion, seven hundred five million, three hundred thirty thousand, seven hundred sixty-five".