74663642411833 has 2 divisors, whose sum is σ = 74663642411834. Its totient is φ = 74663642411832.

The previous prime is 74663642411807. The next prime is 74663642411849. The reversal of 74663642411833 is 33811424636647.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50009110610944 + 24654531800889 = 7071712^2 + 4965333^2 .

It is a cyclic number.

It is not a de Polignac number, because 74663642411833 - 2⁹ = 74663642411321 is a prime.

It is not a weakly prime, because it can be changed into another prime (74663642411933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37331821205916 + 37331821205917.

It is an arithmetic number, because the mean of its divisors is an integer number (37331821205917).

Almost surely, 2^{74663642411833} is an apocalyptic number.

It is an amenable number.

74663642411833 is a deficient number, since it is larger than the sum of its proper divisors (1).

74663642411833 is an equidigital number, since it uses as much as digits as its factorization.

74663642411833 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41803776, while the sum is 58.

The spelling of 74663642411833 in words is "seventy-four trillion, six hundred sixty-three billion, six hundred forty-two million, four hundred eleven thousand, eight hundred thirty-three".