696621269 has 2 divisors, whose sum is σ = 696621270. Its totient is φ = 696621268.

The previous prime is 696621259. The next prime is 696621293. The reversal of 696621269 is 962126696.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 552861169 + 143760100 = 23513^2 + 11990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696621269 is a prime.

It is a super-2 number, since 2×696621269² = 970562384846340722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696621229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348310634 + 348310635.

It is an arithmetic number, because the mean of its divisors is an integer number (348310635).

Almost surely, 2^696621269 is an apocalyptic number.

It is an amenable number.

696621269 is a deficient number, since it is larger than the sum of its proper divisors (1).

696621269 is an equidigital number, since it uses as much as digits as its factorization.

696621269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 419904, while the sum is 47.

The square root of 696621269 is about 26393.5838604764. The cubic root of 696621269 is about 886.4731310278.

The spelling of 696621269 in words is "six hundred ninety-six million, six hundred twenty-one thousand, two hundred sixty-nine".