1996810802713 has 4 divisors (see below), whose sum is σ = 1996841826000. Its totient is φ = 1996779779428.

The previous prime is 1996810802699. The next prime is 1996810802717. The reversal of 1996810802713 is 3172080186991.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1996810802713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996810802717) 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, 15414895 + ... + 15543892.

It is an arithmetic number, because the mean of its divisors is an integer number (499210456500).

Almost surely, 2^{1996810802713} is an apocalyptic number.

It is an amenable number.

1996810802713 is a deficient number, since it is larger than the sum of its proper divisors (31023287).

1996810802713 is an equidigital number, since it uses as much as digits as its factorization.

1996810802713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31023286.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The spelling of 1996810802713 in words is "one trillion, nine hundred ninety-six billion, eight hundred ten million, eight hundred two thousand, seven hundred thirteen".