696015638543 has 2 divisors, whose sum is σ = 696015638544. Its totient is φ = 696015638542.

The previous prime is 696015638509. The next prime is 696015638603. The reversal of 696015638543 is 345836510696.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 696015638543 - 2²² = 696011444239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (696015628543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348007819271 + 348007819272.

It is an arithmetic number, because the mean of its divisors is an integer number (348007819272).

Almost surely, 2^696015638543 is an apocalyptic number.

696015638543 is a deficient number, since it is larger than the sum of its proper divisors (1).

696015638543 is an equidigital number, since it uses as much as digits as its factorization.

696015638543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13996800, while the sum is 56.

The spelling of 696015638543 in words is "six hundred ninety-six billion, fifteen million, six hundred thirty-eight thousand, five hundred forty-three".