696271969 has 2 divisors, whose sum is σ = 696271970. Its totient is φ = 696271968.

The previous prime is 696271903. The next prime is 696272021. The reversal of 696271969 is 969172696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 479829025 + 216442944 = 21905^2 + 14712^2 .

It is a cyclic number.

It is not a de Polignac number, because 696271969 - 2⁷ = 696271841 is a prime.

It is a super-2 number, since 2×696271969² = 969589309630273922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (696211969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348135984 + 348135985.

It is an arithmetic number, because the mean of its divisors is an integer number (348135985).

Almost surely, 2^696271969 is an apocalyptic number.

It is an amenable number.

696271969 is a deficient number, since it is larger than the sum of its proper divisors (1).

696271969 is an equidigital number, since it uses as much as digits as its factorization.

696271969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 55.

The square root of 696271969 is about 26386.9658922734. The cubic root of 696271969 is about 886.3249410682.

The spelling of 696271969 in words is "six hundred ninety-six million, two hundred seventy-one thousand, nine hundred sixty-nine".