697380652823 has 2 divisors, whose sum is σ = 697380652824. Its totient is φ = 697380652822.

The previous prime is 697380652789. The next prime is 697380652889. The reversal of 697380652823 is 328256083796.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 697380652823 - 2¹⁴ = 697380636439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697380657823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348690326411 + 348690326412.

It is an arithmetic number, because the mean of its divisors is an integer number (348690326412).

Almost surely, 2^697380652823 is an apocalyptic number.

697380652823 is a deficient number, since it is larger than the sum of its proper divisors (1).

697380652823 is an equidigital number, since it uses as much as digits as its factorization.

697380652823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 697380652823 in words is "six hundred ninety-seven billion, three hundred eighty million, six hundred fifty-two thousand, eight hundred twenty-three".