699089069 has 4 divisors (see below), whose sum is σ = 798958944. Its totient is φ = 599219196.

The previous prime is 699089047. The next prime is 699089089. The reversal of 699089069 is 960980996.

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-699089069 is a prime.

It is a super-2 number, since 2×699089069² = 977451052790573522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699089089) 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, 49934927 + ... + 49934940.

It is an arithmetic number, because the mean of its divisors is an integer number (199739736).

Almost surely, 2^699089069 is an apocalyptic number.

It is an amenable number.

699089069 is a deficient number, since it is larger than the sum of its proper divisors (99869875).

699089069 is an equidigital number, since it uses as much as digits as its factorization.

699089069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99869874.

The product of its (nonzero) digits is 1889568, while the sum is 56.

The square root of 699089069 is about 26440.2925286389. The cubic root of 699089069 is about 887.5186825135.

The spelling of 699089069 in words is "six hundred ninety-nine million, eighty-nine thousand, sixty-nine".