706811071513 has 4 divisors (see below), whose sum is σ = 707159427940. Its totient is φ = 706462715088.

The previous prime is 706811071511. The next prime is 706811071529. The reversal of 706811071513 is 315170118607.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 325068741904 + 381742329609 = 570148^2 + 617853^2 .

It is a cyclic number.

It is not a de Polignac number, because 706811071513 - 2¹ = 706811071511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (706811071511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174175170 + ... + 174179227.

It is an arithmetic number, because the mean of its divisors is an integer number (176789856985).

Almost surely, 2^706811071513 is an apocalyptic number.

It is an amenable number.

706811071513 is a deficient number, since it is larger than the sum of its proper divisors (348356427).

706811071513 is a wasteful number, since it uses less digits than its factorization.

706811071513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348356426.

The product of its (nonzero) digits is 35280, while the sum is 40.

The spelling of 706811071513 in words is "seven hundred six billion, eight hundred eleven million, seventy-one thousand, five hundred thirteen".