696998643 has 8 divisors (see below), whose sum is σ = 1013816256. Its totient is φ = 422423400.

The previous prime is 696998633. The next prime is 696998651. The reversal of 696998643 is 346899696.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 696998643 - 2⁵ = 696998611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (696998633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10560553 + ... + 10560618.

It is an arithmetic number, because the mean of its divisors is an integer number (126727032).

Almost surely, 2^696998643 is an apocalyptic number.

696998643 is a deficient number, since it is larger than the sum of its proper divisors (316817613).

696998643 is a wasteful number, since it uses less digits than its factorization.

696998643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21121185.

The product of its digits is 15116544, while the sum is 60.

The square root of 696998643 is about 26400.7318648556. The cubic root of 696998643 is about 886.6331756780.

The spelling of 696998643 in words is "six hundred ninety-six million, nine hundred ninety-eight thousand, six hundred forty-three".