74320768146089 has 2 divisors, whose sum is σ = 74320768146090. Its totient is φ = 74320768146088.

The previous prime is 74320768146083. The next prime is 74320768146091. The reversal of 74320768146089 is 98064186702347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60248644000000 + 14072124146089 = 7762000^2 + 3751283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-74320768146089 is a prime.

Together with 74320768146091, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (74320768146083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37160384073044 + 37160384073045.

It is an arithmetic number, because the mean of its divisors is an integer number (37160384073045).

Almost surely, 2^{74320768146089} is an apocalyptic number.

It is an amenable number.

74320768146089 is a deficient number, since it is larger than the sum of its proper divisors (1).

74320768146089 is an equidigital number, since it uses as much as digits as its factorization.

74320768146089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97542144, while the sum is 65.

The spelling of 74320768146089 in words is "seventy-four trillion, three hundred twenty billion, seven hundred sixty-eight million, one hundred forty-six thousand, eighty-nine".