2113357065 has 16 divisors (see below), whose sum is σ = 3419366400. Its totient is φ = 1114458752.

The previous prime is 2113357063. The next prime is 2113357067. The reversal of 2113357065 is 5607533112.

It is an interprime number because it is at equal distance from previous prime (2113357063) and next prime (2113357067).

It is a cyclic number.

It is not a de Polignac number, because 2113357065 - 2¹ = 2113357063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113357063) 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, 790185 + ... + 792854.

It is an arithmetic number, because the mean of its divisors is an integer number (213710400).

Almost surely, 2^2113357065 is an apocalyptic number.

It is an amenable number.

2113357065 is a deficient number, since it is larger than the sum of its proper divisors (1306009335).

2113357065 is a wasteful number, since it uses less digits than its factorization.

2113357065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583136.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 2113357065 is about 45971.2634696938. The cubic root of 2113357065 is about 1283.2884731981.

The spelling of 2113357065 in words is "two billion, one hundred thirteen million, three hundred fifty-seven thousand, sixty-five".