696983385951 has 24 divisors (see below), whose sum is σ = 1066427401104. Its totient is φ = 437137140480.

The previous prime is 696983385941. The next prime is 696983385977. The reversal of 696983385951 is 159583389696.

696983385951 is a `hidden beast` number, since 69 + 69 + 83 + 385 + 9 + 51 = 666.

It is not a de Polignac number, because 696983385951 - 2¹⁰ = 696983384927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 696983385951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696983385941) 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 23 ways as a sum of consecutive naturals, for example, 605745 + ... + 1326986.

It is an arithmetic number, because the mean of its divisors is an integer number (44434475046).

Almost surely, 2^696983385951 is an apocalyptic number.

696983385951 is a deficient number, since it is larger than the sum of its proper divisors (369444015153).

696983385951 is a wasteful number, since it uses less digits than its factorization.

696983385951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935111 (or 1935108 counting only the distinct ones).

The product of its digits is 377913600, while the sum is 72.

The spelling of 696983385951 in words is "six hundred ninety-six billion, nine hundred eighty-three million, three hundred eighty-five thousand, nine hundred fifty-one".