996693390001 has 4 divisors (see below), whose sum is σ = 996695507812. Its totient is φ = 996691272192.

The previous prime is 996693389999. The next prime is 996693390053. The reversal of 996693390001 is 100093396699.

996693390001 is a nontrivial binomial coefficient, being equal to C(1411874, 2).

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 968996109376 + 27697280625 = 984376^2 + 166425^2 .

It is a 3-Lehmer number, since φ(996693390001) divides (996693390001-1)³.

It is a cyclic number.

It is not a de Polignac number, because 996693390001 - 2¹ = 996693389999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (996693390061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1 + ... + 1411873.

It is an arithmetic number, because the mean of its divisors is an integer number (249173876953).

It is a Poulet number, since it divides 2^996693390000-1.

Almost surely, 2^996693390001 is an apocalyptic number.

996693390001 is the 1411873-rd triangular number and also the 705937-th hexagonal number.

996693390001 is the 470625-th centered nonagonal number.

It is an amenable number.

996693390001 is a deficient number, since it is larger than the sum of its proper divisors (2117811).

996693390001 is a wasteful number, since it uses less digits than its factorization.

996693390001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117810.

The product of its (nonzero) digits is 2125764, while the sum is 55.

The spelling of 996693390001 in words is "nine hundred ninety-six billion, six hundred ninety-three million, three hundred ninety thousand, one".