699549697 has 16 divisors (see below), whose sum is σ = 872784000. Its totient is φ = 544717440.

The previous prime is 699549691. The next prime is 699549707. The reversal of 699549697 is 796945996.

It is a cyclic number.

It is not a de Polignac number, because 699549697 - 2⁷ = 699549569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (699549691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158679 + ... + 163027.

It is an arithmetic number, because the mean of its divisors is an integer number (54549000).

Almost surely, 2^699549697 is an apocalyptic number.

It is an amenable number.

699549697 is a deficient number, since it is larger than the sum of its proper divisors (173234303).

699549697 is a wasteful number, since it uses less digits than its factorization.

699549697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456.

The product of its digits is 33067440, while the sum is 64.

The square root of 699549697 is about 26449.0018148134. The cubic root of 699549697 is about 887.7135676469.

The spelling of 699549697 in words is "six hundred ninety-nine million, five hundred forty-nine thousand, six hundred ninety-seven".