806349789999 has 48 divisors (see below), whose sum is σ = 1304507204000. Its totient is φ = 494792758656.

The previous prime is 806349789977. The next prime is 806349790003. The reversal of 806349789999 is 999987943608.

It is not a de Polignac number, because 806349789999 - 2⁵ = 806349789967 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806349789899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 736797 + ... + 1468185.

Almost surely, 2^806349789999 is an apocalyptic number.

806349789999 is a deficient number, since it is larger than the sum of its proper divisors (498157414001).

806349789999 is a wasteful number, since it uses less digits than its factorization.

806349789999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731766 (or 731754 counting only the distinct ones).

The product of its (nonzero) digits is 1904684544, while the sum is 81.

The spelling of 806349789999 in words is "eight hundred six billion, three hundred forty-nine million, seven hundred eighty-nine thousand, nine hundred ninety-nine".