67172553402041 has 2 divisors, whose sum is σ = 67172553402042. Its totient is φ = 67172553402040.

The previous prime is 67172553401981. The next prime is 67172553402077. The reversal of 67172553402041 is 14020435527176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41121951769600 + 26050601632441 = 6412640^2 + 5103979^2 .

It is a cyclic number.

It is not a de Polignac number, because 67172553402041 - 2¹⁰ = 67172553401017 is a prime.

It is not a weakly prime, because it can be changed into another prime (67172553402091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33586276701020 + 33586276701021.

It is an arithmetic number, because the mean of its divisors is an integer number (33586276701021).

Almost surely, 2^{67172553402041} is an apocalyptic number.

It is an amenable number.

67172553402041 is a deficient number, since it is larger than the sum of its proper divisors (1).

67172553402041 is an equidigital number, since it uses as much as digits as its factorization.

67172553402041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 67172553402041 in words is "sixty-seven trillion, one hundred seventy-two billion, five hundred fifty-three million, four hundred two thousand, forty-one".