695439494999 has 16 divisors (see below), whose sum is σ = 726268664640. Its totient is φ = 665253596160.

The previous prime is 695439494993. The next prime is 695439495001. The reversal of 695439494999 is 999494934596.

It is a cyclic number.

It is not a de Polignac number, because 695439494999 - 2¹² = 695439490903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695439494993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5062382 + ... + 5197940.

It is an arithmetic number, because the mean of its divisors is an integer number (45391791540).

Almost surely, 2^695439494999 is an apocalyptic number.

695439494999 is a deficient number, since it is larger than the sum of its proper divisors (30829169641).

695439494999 is a wasteful number, since it uses less digits than its factorization.

695439494999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137930.

The product of its digits is 3061100160, while the sum is 80.

The spelling of 695439494999 in words is "six hundred ninety-five billion, four hundred thirty-nine million, four hundred ninety-four thousand, nine hundred ninety-nine".