39060761021 has 2 divisors, whose sum is σ = 39060761022. Its totient is φ = 39060761020.

The previous prime is 39060760913. The next prime is 39060761063. The reversal of 39060761021 is 12016706093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23350896100 + 15709864921 = 152810^2 + 125339^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39060761021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39060761221) 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, 19530380510 + 19530380511.

It is an arithmetic number, because the mean of its divisors is an integer number (19530380511).

Almost surely, 2^39060761021 is an apocalyptic number.

It is an amenable number.

39060761021 is a deficient number, since it is larger than the sum of its proper divisors (1).

39060761021 is an equidigital number, since it uses as much as digits as its factorization.

39060761021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The spelling of 39060761021 in words is "thirty-nine billion, sixty million, seven hundred sixty-one thousand, twenty-one".