696911069 has 2 divisors, whose sum is σ = 696911070. Its totient is φ = 696911068.

The previous prime is 696911057. The next prime is 696911087. The reversal of 696911069 is 960119696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 518154169 + 178756900 = 22763^2 + 13370^2 .

It is a cyclic number.

It is not a de Polignac number, because 696911069 - 2¹⁶ = 696845533 is a prime.

It is a super-2 number, since 2×696911069² = 971370076189445522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696911099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348455534 + 348455535.

It is an arithmetic number, because the mean of its divisors is an integer number (348455535).

Almost surely, 2^696911069 is an apocalyptic number.

It is an amenable number.

696911069 is a deficient number, since it is larger than the sum of its proper divisors (1).

696911069 is an equidigital number, since it uses as much as digits as its factorization.

696911069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 47.

The square root of 696911069 is about 26399.0732602491. The cubic root of 696911069 is about 886.5960406148.

The spelling of 696911069 in words is "six hundred ninety-six million, nine hundred eleven thousand, sixty-nine".