39109901 has 2 divisors, whose sum is σ = 39109902. Its totient is φ = 39109900.

The previous prime is 39109831. The next prime is 39109943. The reversal of 39109901 is 10990193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26677225 + 12432676 = 5165^2 + 3526^2 .

It is a cyclic number.

It is not a de Polignac number, because 39109901 - 2¹⁰ = 39108877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39109981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19554950 + 19554951.

It is an arithmetic number, because the mean of its divisors is an integer number (19554951).

Almost surely, 2^39109901 is an apocalyptic number.

It is an amenable number.

39109901 is a deficient number, since it is larger than the sum of its proper divisors (1).

39109901 is an equidigital number, since it uses as much as digits as its factorization.

39109901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2187, while the sum is 32.

The square root of 39109901 is about 6253.7909303078. The cubic root of 39109901 is about 339.4393904483.

The spelling of 39109901 in words is "thirty-nine million, one hundred nine thousand, nine hundred one".