696438481 has 2 divisors, whose sum is σ = 696438482. Its totient is φ = 696438480.

The previous prime is 696438437. The next prime is 696438493. The reversal of 696438481 is 184834696.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 656179456 + 40259025 = 25616^2 + 6345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696438481 is a prime.

It is a super-2 number, since 2×696438481² = 970053115635174722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (696438181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348219240 + 348219241.

It is an arithmetic number, because the mean of its divisors is an integer number (348219241).

Almost surely, 2^696438481 is an apocalyptic number.

It is an amenable number.

696438481 is a deficient number, since it is larger than the sum of its proper divisors (1).

696438481 is an equidigital number, since it uses as much as digits as its factorization.

696438481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 49.

The square root of 696438481 is about 26390.1208977905. The cubic root of 696438481 is about 886.3955896949.

The spelling of 696438481 in words is "six hundred ninety-six million, four hundred thirty-eight thousand, four hundred eighty-one".