996693389999 has 2 divisors, whose sum is σ = 996693390000. Its totient is φ = 996693389998.

The previous prime is 996693389983. The next prime is 996693390053. The reversal of 996693389999 is 999983396699.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 996693389999 - 2⁴ = 996693389983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996693389969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498346694999 + 498346695000.

It is an arithmetic number, because the mean of its divisors is an integer number (498346695000).

Almost surely, 2^996693389999 is an apocalyptic number.

996693389999 is a deficient number, since it is larger than the sum of its proper divisors (1).

996693389999 is an equidigital number, since it uses as much as digits as its factorization.

996693389999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12397455648, while the sum is 89.

The spelling of 996693389999 in words is "nine hundred ninety-six billion, six hundred ninety-three million, three hundred eighty-nine thousand, nine hundred ninety-nine".