697700216351 has 2 divisors, whose sum is σ = 697700216352. Its totient is φ = 697700216350.

The previous prime is 697700216303. The next prime is 697700216359. The reversal of 697700216351 is 153612007796.

It is a happy number.

697700216351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 697700216351 - 2¹⁴ = 697700199967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 697700216296 and 697700216305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (697700216359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348850108175 + 348850108176.

It is an arithmetic number, because the mean of its divisors is an integer number (348850108176).

Almost surely, 2^697700216351 is an apocalyptic number.

697700216351 is a deficient number, since it is larger than the sum of its proper divisors (1).

697700216351 is an equidigital number, since it uses as much as digits as its factorization.

697700216351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 47.

The spelling of 697700216351 in words is "six hundred ninety-seven billion, seven hundred million, two hundred sixteen thousand, three hundred fifty-one".