1597946633567 has 2 divisors, whose sum is σ = 1597946633568. Its totient is φ = 1597946633566.

The previous prime is 1597946633527. The next prime is 1597946633623. The reversal of 1597946633567 is 7653366497951.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1597946633567 is a prime.

It is a super-2 number, since 2×1597946633567² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1597946633567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1597946633527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 798973316783 + 798973316784.

It is an arithmetic number, because the mean of its divisors is an integer number (798973316784).

Almost surely, 2^{1597946633567} is an apocalyptic number.

1597946633567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1597946633567 is an equidigital number, since it uses as much as digits as its factorization.

1597946633567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 771573600, while the sum is 71.

The spelling of 1597946633567 in words is "one trillion, five hundred ninety-seven billion, nine hundred forty-six million, six hundred thirty-three thousand, five hundred sixty-seven".