699344917 has 4 divisors (see below), whose sum is σ = 699644736. Its totient is φ = 699045100.

The previous prime is 699344887. The next prime is 699344927. The reversal of 699344917 is 719443996.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-699344917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699344927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146383 + ... + 151084.

It is an arithmetic number, because the mean of its divisors is an integer number (174911184).

Almost surely, 2^699344917 is an apocalyptic number.

It is an amenable number.

699344917 is a deficient number, since it is larger than the sum of its proper divisors (299819).

699344917 is a wasteful number, since it uses less digits than its factorization.

699344917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299818.

The product of its digits is 1469664, while the sum is 52.

The square root of 699344917 is about 26445.1303078658. The cubic root of 699344917 is about 887.6269387168.

The spelling of 699344917 in words is "six hundred ninety-nine million, three hundred forty-four thousand, nine hundred seventeen".