16424693797 has 2 divisors, whose sum is σ = 16424693798. Its totient is φ = 16424693796.

The previous prime is 16424693771. The next prime is 16424693801. The reversal of 16424693797 is 79739642461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14922821281 + 1501872516 = 122159^2 + 38754^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16424693797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16424693297) 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, 8212346898 + 8212346899.

It is an arithmetic number, because the mean of its divisors is an integer number (8212346899).

Almost surely, 2^16424693797 is an apocalyptic number.

It is an amenable number.

16424693797 is a deficient number, since it is larger than the sum of its proper divisors (1).

16424693797 is an equidigital number, since it uses as much as digits as its factorization.

16424693797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13716864, while the sum is 58.

The spelling of 16424693797 in words is "sixteen billion, four hundred twenty-four million, six hundred ninety-three thousand, seven hundred ninety-seven".