705099613 has 4 divisors (see below), whose sum is σ = 707324220. Its totient is φ = 702875008.

The previous prime is 705099587. The next prime is 705099617. The reversal of 705099613 is 316990507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 316990507 = 37 ⋅8567311.

It can be written as a sum of positive squares in 2 ways, for example, as 97871449 + 607228164 = 9893^2 + 24642^2 .

It is a cyclic number.

It is not a de Polignac number, because 705099613 - 2²⁵ = 671545181 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705099617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111828 + ... + 1112461.

It is an arithmetic number, because the mean of its divisors is an integer number (176831055).

Almost surely, 2^705099613 is an apocalyptic number.

It is an amenable number.

705099613 is a deficient number, since it is larger than the sum of its proper divisors (2224607).

705099613 is a wasteful number, since it uses less digits than its factorization.

705099613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224606.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 705099613 is about 26553.7118497584. The cubic root of 705099613 is about 890.0549614672.

The spelling of 705099613 in words is "seven hundred five million, ninety-nine thousand, six hundred thirteen".