1996856713 has 4 divisors (see below), whose sum is σ = 2004065860. Its totient is φ = 1989647568.

The previous prime is 1996856707. The next prime is 1996856717. The reversal of 1996856713 is 3176586991.

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 95199049 + 1901657664 = 9757^2 + 43608^2 .

It is a cyclic number.

It is not a de Polignac number, because 1996856713 - 2⁵ = 1996856681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996856717) 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, 3604158 + ... + 3604711.

It is an arithmetic number, because the mean of its divisors is an integer number (501016465).

Almost surely, 2^1996856713 is an apocalyptic number.

It is an amenable number.

1996856713 is a deficient number, since it is larger than the sum of its proper divisors (7209147).

1996856713 is an equidigital number, since it uses as much as digits as its factorization.

1996856713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7209146.

The product of its digits is 2449440, while the sum is 55.

The square root of 1996856713 is about 44686.2027140369. The cubic root of 1996856713 is about 1259.2606548959.

The spelling of 1996856713 in words is "one billion, nine hundred ninety-six million, eight hundred fifty-six thousand, seven hundred thirteen".