699405995 has 8 divisors (see below), whose sum is σ = 839553984. Its totient is φ = 559346944.

The previous prime is 699405893. The next prime is 699406007. The reversal of 699405995 is 599504996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 699405995 - 2⁸ = 699405739 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 699405995.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3494 + ... + 37563.

It is an arithmetic number, because the mean of its divisors is an integer number (104944248).

Almost surely, 2^699405995 is an apocalyptic number.

699405995 is a deficient number, since it is larger than the sum of its proper divisors (140147989).

699405995 is a wasteful number, since it uses less digits than its factorization.

699405995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44469.

The product of its (nonzero) digits is 3936600, while the sum is 56.

The square root of 699405995 is about 26446.2850888362. The cubic root of 699405995 is about 887.6527785652.

Subtracting from 699405995 its reverse (599504996), we obtain a palindrome (99900999).

The spelling of 699405995 in words is "six hundred ninety-nine million, four hundred five thousand, nine hundred ninety-five".