2164072535 has 4 divisors (see below), whose sum is σ = 2596887048. Its totient is φ = 1731258024.

The previous prime is 2164072499. The next prime is 2164072541. The reversal of 2164072535 is 5352704612.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2164072535 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2164072495 and 2164072504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216407249 + ... + 216407258.

It is an arithmetic number, because the mean of its divisors is an integer number (649221762).

Almost surely, 2^2164072535 is an apocalyptic number.

2164072535 is a deficient number, since it is larger than the sum of its proper divisors (432814513).

2164072535 is an equidigital number, since it uses as much as digits as its factorization.

2164072535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432814512.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 2164072535 is about 46519.5930227254. The cubic root of 2164072535 is about 1293.4727123691.

The spelling of 2164072535 in words is "two billion, one hundred sixty-four million, seventy-two thousand, five hundred thirty-five".