696544442423 has 2 divisors, whose sum is σ = 696544442424. Its totient is φ = 696544442422.

The previous prime is 696544442339. The next prime is 696544442467. The reversal of 696544442423 is 324244445696.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-696544442423 is a prime.

It is a super-2 number, since 2×696544442423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696544442123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348272221211 + 348272221212.

It is an arithmetic number, because the mean of its divisors is an integer number (348272221212).

Almost surely, 2^696544442423 is an apocalyptic number.

696544442423 is a deficient number, since it is larger than the sum of its proper divisors (1).

696544442423 is an equidigital number, since it uses as much as digits as its factorization.

696544442423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19906560, while the sum is 53.

The spelling of 696544442423 in words is "six hundred ninety-six billion, five hundred forty-four million, four hundred forty-two thousand, four hundred twenty-three".