42163370797 has 2 divisors, whose sum is σ = 42163370798. Its totient is φ = 42163370796.

The previous prime is 42163370783. The next prime is 42163370813. The reversal of 42163370797 is 79707336124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26080312036 + 16083058761 = 161494^2 + 126819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42163370797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42163370797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42163370707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21081685398 + 21081685399.

It is an arithmetic number, because the mean of its divisors is an integer number (21081685399).

Almost surely, 2^42163370797 is an apocalyptic number.

It is an amenable number.

42163370797 is a deficient number, since it is larger than the sum of its proper divisors (1).

42163370797 is an equidigital number, since it uses as much as digits as its factorization.

42163370797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1333584, while the sum is 49.

The spelling of 42163370797 in words is "forty-two billion, one hundred sixty-three million, three hundred seventy thousand, seven hundred ninety-seven".