39481935541 has 2 divisors, whose sum is σ = 39481935542. Its totient is φ = 39481935540.

The previous prime is 39481935499. The next prime is 39481935557. The reversal of 39481935541 is 14553918493.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36234645316 + 3247290225 = 190354^2 + 56985^2 .

It is a cyclic number.

It is not a de Polignac number, because 39481935541 - 2¹⁷ = 39481804469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39481930541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19740967770 + 19740967771.

It is an arithmetic number, because the mean of its divisors is an integer number (19740967771).

Almost surely, 2^39481935541 is an apocalyptic number.

It is an amenable number.

39481935541 is a deficient number, since it is larger than the sum of its proper divisors (1).

39481935541 is an equidigital number, since it uses as much as digits as its factorization.

39481935541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 52.

The spelling of 39481935541 in words is "thirty-nine billion, four hundred eighty-one million, nine hundred thirty-five thousand, five hundred forty-one".