699648089 has 8 divisors (see below), whose sum is σ = 803785728. Its totient is φ = 596557440.

The previous prime is 699648043. The next prime is 699648121. The reversal of 699648089 is 980846996.

699648089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699648089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (699648289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260312 + ... + 262985.

It is an arithmetic number, because the mean of its divisors is an integer number (100473216).

Almost surely, 2^699648089 is an apocalyptic number.

It is an amenable number.

699648089 is a deficient number, since it is larger than the sum of its proper divisors (104137639).

699648089 is a wasteful number, since it uses less digits than its factorization.

699648089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523495.

The product of its (nonzero) digits is 6718464, while the sum is 59.

The square root of 699648089 is about 26450.8617818021. The cubic root of 699648089 is about 887.7551848086.

The spelling of 699648089 in words is "six hundred ninety-nine million, six hundred forty-eight thousand, eighty-nine".