2147235705 has 12 divisors (see below), whose sum is σ = 3721875300. Its totient is φ = 1145192352.

The previous prime is 2147235703. The next prime is 2147235731. The reversal of 2147235705 is 5075327412.

2147235705 is a `hidden beast` number, since 2 + 14 + 72 + 3 + 570 + 5 = 666.

2147235705 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 711128889 + 1436106816 = 26667^2 + 37896^2 .

It is not a de Polignac number, because 2147235705 - 2¹ = 2147235703 is a prime.

It is a super-2 number, since 2×2147235705² = 9221242345653694050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2147235705.

It is not an unprimeable number, because it can be changed into a prime (2147235703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23858130 + ... + 23858219.

It is an arithmetic number, because the mean of its divisors is an integer number (310156275).

Almost surely, 2^2147235705 is an apocalyptic number.

It is an amenable number.

2147235705 is a deficient number, since it is larger than the sum of its proper divisors (1574639595).

2147235705 is a wasteful number, since it uses less digits than its factorization.

2147235705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47716360 (or 47716357 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 2147235705 is about 46338.2747305076. The cubic root of 2147235705 is about 1290.1095003498.

The spelling of 2147235705 in words is "two billion, one hundred forty-seven million, two hundred thirty-five thousand, seven hundred five".