697165080613 has 2 divisors, whose sum is σ = 697165080614. Its totient is φ = 697165080612.

The previous prime is 697165080593. The next prime is 697165080631. The reversal of 697165080613 is 316080561796.

It is a happy number.

Together with next prime (697165080631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463661579329 + 233503501284 = 680927^2 + 483222^2 .

It is a cyclic number.

It is not a de Polignac number, because 697165080613 - 2¹³ = 697165072421 is a prime.

It is a super-2 number, since 2×697165080613² (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 (697165080113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348582540306 + 348582540307.

It is an arithmetic number, because the mean of its divisors is an integer number (348582540307).

Almost surely, 2^697165080613 is an apocalyptic number.

It is an amenable number.

697165080613 is a deficient number, since it is larger than the sum of its proper divisors (1).

697165080613 is an equidigital number, since it uses as much as digits as its factorization.

697165080613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 697165080613 in words is "six hundred ninety-seven billion, one hundred sixty-five million, eighty thousand, six hundred thirteen".