39937091041 has 2 divisors, whose sum is σ = 39937091042. Its totient is φ = 39937091040.

The previous prime is 39937091023. The next prime is 39937091057. The reversal of 39937091041 is 14019073993.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36588038400 + 3349052641 = 191280^2 + 57871^2 .

It is a cyclic number.

It is not a de Polignac number, because 39937091041 - 2³¹ = 37789607393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39937090982 and 39937091000.

It is not a weakly prime, because it can be changed into another prime (39937091081) 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, 19968545520 + 19968545521.

It is an arithmetic number, because the mean of its divisors is an integer number (19968545521).

Almost surely, 2^39937091041 is an apocalyptic number.

It is an amenable number.

39937091041 is a deficient number, since it is larger than the sum of its proper divisors (1).

39937091041 is an equidigital number, since it uses as much as digits as its factorization.

39937091041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 46.

The spelling of 39937091041 in words is "thirty-nine billion, nine hundred thirty-seven million, ninety-one thousand, forty-one".