39901089773 has 2 divisors, whose sum is σ = 39901089774. Its totient is φ = 39901089772.

The previous prime is 39901089733. The next prime is 39901089797. The reversal of 39901089773 is 37798010993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39647579689 + 253510084 = 199117^2 + 15922^2 .

It is an emirp because it is prime and its reverse (37798010993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39901089773 - 2¹⁴ = 39901073389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39901089733) 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, 19950544886 + 19950544887.

It is an arithmetic number, because the mean of its divisors is an integer number (19950544887).

Almost surely, 2^39901089773 is an apocalyptic number.

It is an amenable number.

39901089773 is a deficient number, since it is larger than the sum of its proper divisors (1).

39901089773 is an equidigital number, since it uses as much as digits as its factorization.

39901089773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2571912, while the sum is 56.

The spelling of 39901089773 in words is "thirty-nine billion, nine hundred one million, eighty-nine thousand, seven hundred seventy-three".