67982140441 has 2 divisors, whose sum is σ = 67982140442. Its totient is φ = 67982140440.

The previous prime is 67982140403. The next prime is 67982140477. The reversal of 67982140441 is 14404128976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67914966025 + 67174416 = 260605^2 + 8196^2 .

It is a cyclic number.

It is not a de Polignac number, because 67982140441 - 2²¹ = 67980043289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67982140391 and 67982140400.

It is not a weakly prime, because it can be changed into another prime (67982140241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33991070220 + 33991070221.

It is an arithmetic number, because the mean of its divisors is an integer number (33991070221).

Almost surely, 2^67982140441 is an apocalyptic number.

It is an amenable number.

67982140441 is a deficient number, since it is larger than the sum of its proper divisors (1).

67982140441 is an equidigital number, since it uses as much as digits as its factorization.

67982140441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072, while the sum is 46.

The spelling of 67982140441 in words is "sixty-seven billion, nine hundred eighty-two million, one hundred forty thousand, four hundred forty-one".