699765499 has 4 divisors (see below), whose sum is σ = 700946136. Its totient is φ = 698584864.

The previous prime is 699765463. The next prime is 699765523. The reversal of 699765499 is 994567996.

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

It is a cyclic number.

It is not a de Polignac number, because 699765499 - 2⁹ = 699764987 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 699765499.

It is not an unprimeable number, because it can be changed into a prime (699765419) 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, 589429 + ... + 590614.

It is an arithmetic number, because the mean of its divisors is an integer number (175236534).

Almost surely, 2^699765499 is an apocalyptic number.

699765499 is a deficient number, since it is larger than the sum of its proper divisors (1180637).

699765499 is a wasteful number, since it uses less digits than its factorization.

699765499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180636.

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

The square root of 699765499 is about 26453.0810870870. The cubic root of 699765499 is about 887.8048409658.

The spelling of 699765499 in words is "six hundred ninety-nine million, seven hundred sixty-five thousand, four hundred ninety-nine".