696808969 has 4 divisors (see below), whose sum is σ = 696931344. Its totient is φ = 696686596.

The previous prime is 696808933. The next prime is 696808991. The reversal of 696808969 is 969808696.

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 696808969 - 2¹⁷ = 696677897 is a prime.

It is a super-2 number, since 2×696808969² = 971085478557685922, which contains 22 as substring.

696808969 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696800969) 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, 52207 + ... + 64180.

It is an arithmetic number, because the mean of its divisors is an integer number (174232836).

Almost surely, 2^696808969 is an apocalyptic number.

It is an amenable number.

696808969 is a deficient number, since it is larger than the sum of its proper divisors (122375).

696808969 is a wasteful number, since it uses less digits than its factorization.

696808969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122374.

The product of its (nonzero) digits is 10077696, while the sum is 61.

The square root of 696808969 is about 26397.1394094133. The cubic root of 696808969 is about 886.5527419881.

The spelling of 696808969 in words is "six hundred ninety-six million, eight hundred eight thousand, nine hundred sixty-nine".