696043013 has 2 divisors, whose sum is σ = 696043014. Its totient is φ = 696043012.

The previous prime is 696043003. The next prime is 696043037. The reversal of 696043013 is 310340696.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 476025124 + 220017889 = 21818^2 + 14833^2 .

It is a cyclic number.

It is not a de Polignac number, because 696043013 - 2²⁰ = 694994437 is a prime.

It is a super-2 number, since 2×696043013² = 968951751892236338, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696043003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348021506 + 348021507.

It is an arithmetic number, because the mean of its divisors is an integer number (348021507).

Almost surely, 2^696043013 is an apocalyptic number.

It is an amenable number.

696043013 is a deficient number, since it is larger than the sum of its proper divisors (1).

696043013 is an equidigital number, since it uses as much as digits as its factorization.

696043013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 696043013 is about 26382.6271057300. The cubic root of 696043013 is about 886.2277799638.

The spelling of 696043013 in words is "six hundred ninety-six million, forty-three thousand, thirteen".