699446801 has 4 divisors (see below), whose sum is σ = 710913204. Its totient is φ = 687980400.

The previous prime is 699446789. The next prime is 699446843. The reversal of 699446801 is 108644996.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 119793025 + 579653776 = 10945^2 + 24076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699446801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (699446401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5733110 + ... + 5733231.

It is an arithmetic number, because the mean of its divisors is an integer number (177728301).

Almost surely, 2^699446801 is an apocalyptic number.

699446801 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

699446801 is a deficient number, since it is larger than the sum of its proper divisors (11466403).

699446801 is a wasteful number, since it uses less digits than its factorization.

699446801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11466402.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 699446801 is about 26447.0565659016. The cubic root of 699446801 is about 887.6700412401.

The spelling of 699446801 in words is "six hundred ninety-nine million, four hundred forty-six thousand, eight hundred one".