699440013 has 6 divisors (see below), whose sum is σ = 1010302254. Its totient is φ = 466293336.

The previous prime is 699439999. The next prime is 699440017. The reversal of 699440013 is 310044996.

699440013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 524089449 + 175350564 = 22893^2 + 13242^2 .

It is not a de Polignac number, because 699440013 - 2⁵ = 699439981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 699440013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699440017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38857770 + ... + 38857787.

It is an arithmetic number, because the mean of its divisors is an integer number (168383709).

Almost surely, 2^699440013 is an apocalyptic number.

It is an amenable number.

699440013 is a deficient number, since it is larger than the sum of its proper divisors (310862241).

699440013 is a wasteful number, since it uses less digits than its factorization.

699440013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77715563 (or 77715560 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 699440013 is about 26446.9282337288. The cubic root of 699440013 is about 887.6671696737.

The spelling of 699440013 in words is "six hundred ninety-nine million, four hundred forty thousand, thirteen".