699844945 has 8 divisors (see below), whose sum is σ = 839962944. Its totient is φ = 559776624.

The previous prime is 699844939. The next prime is 699844997. The reversal of 699844945 is 549448996.

699844945 is digitally balanced in base 2 and base 6, because in such bases 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 not a de Polignac number, because 699844945 - 2⁹ = 699844433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 699844945.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35142 + ... + 51328.

It is an arithmetic number, because the mean of its divisors is an integer number (104995368).

Almost surely, 2^699844945 is an apocalyptic number.

It is an amenable number.

699844945 is a deficient number, since it is larger than the sum of its proper divisors (140117999).

699844945 is a wasteful number, since it uses less digits than its factorization.

699844945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24839.

The product of its digits is 11197440, while the sum is 58.

The square root of 699844945 is about 26454.5826842912. The cubic root of 699844945 is about 887.8384378752.

The spelling of 699844945 in words is "six hundred ninety-nine million, eight hundred forty-four thousand, nine hundred forty-five".