42667171441 has 2 divisors, whose sum is σ = 42667171442. Its totient is φ = 42667171440.

The previous prime is 42667171409. The next prime is 42667171451. The reversal of 42667171441 is 14417176624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28340039025 + 14327132416 = 168345^2 + 119696^2 .

It is a cyclic number.

It is not a de Polignac number, because 42667171441 - 2⁵ = 42667171409 is a prime.

It is not a weakly prime, because it can be changed into another prime (42667171451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21333585720 + 21333585721.

It is an arithmetic number, because the mean of its divisors is an integer number (21333585721).

Almost surely, 2^42667171441 is an apocalyptic number.

It is an amenable number.

42667171441 is a deficient number, since it is larger than the sum of its proper divisors (1).

42667171441 is an equidigital number, since it uses as much as digits as its factorization.

42667171441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 43.

The spelling of 42667171441 in words is "forty-two billion, six hundred sixty-seven million, one hundred seventy-one thousand, four hundred forty-one".