699196669 has 4 divisors (see below), whose sum is σ = 711047520. Its totient is φ = 687345820.

The previous prime is 699196643. The next prime is 699196679. The reversal of 699196669 is 966691996.

It is a happy number.

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 not a de Polignac number, because 699196669 - 2⁷ = 699196541 is a prime.

It is a super-2 number, since 2×699196669² = 977751963881391122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699196679) 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, 5925337 + ... + 5925454.

It is an arithmetic number, because the mean of its divisors is an integer number (177761880).

Almost surely, 2^699196669 is an apocalyptic number.

It is an amenable number.

699196669 is a deficient number, since it is larger than the sum of its proper divisors (11850851).

699196669 is a wasteful number, since it uses less digits than its factorization.

699196669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11850850.

The product of its digits is 8503056, while the sum is 61.

The square root of 699196669 is about 26442.3272236012. The cubic root of 699196669 is about 887.5642141992.

The spelling of 699196669 in words is "six hundred ninety-nine million, one hundred ninety-six thousand, six hundred sixty-nine".