39376532422681 has 2 divisors, whose sum is σ = 39376532422682. Its totient is φ = 39376532422680.

The previous prime is 39376532422637. The next prime is 39376532422693. The reversal of 39376532422681 is 18622423567393.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23395446829456 + 15981085593225 = 4836884^2 + 3997635^2 .

It is a cyclic number.

It is not a de Polignac number, because 39376532422681 - 2¹⁵ = 39376532389913 is a prime.

It is a super-2 number, since 2×39376532422681² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (39376532402681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19688266211340 + 19688266211341.

It is an arithmetic number, because the mean of its divisors is an integer number (19688266211341).

Almost surely, 2^{39376532422681} is an apocalyptic number.

It is an amenable number.

39376532422681 is a deficient number, since it is larger than the sum of its proper divisors (1).

39376532422681 is an equidigital number, since it uses as much as digits as its factorization.

39376532422681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 78382080, while the sum is 61.

The spelling of 39376532422681 in words is "thirty-nine trillion, three hundred seventy-six billion, five hundred thirty-two million, four hundred twenty-two thousand, six hundred eighty-one".