67041908872031 has 2 divisors, whose sum is σ = 67041908872032. Its totient is φ = 67041908872030.

The previous prime is 67041908872007. The next prime is 67041908872109. The reversal of 67041908872031 is 13027880914076.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67041908872031 is a prime.

It is a super-2 number, since 2×67041908872031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67041908872531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33520954436015 + 33520954436016.

It is an arithmetic number, because the mean of its divisors is an integer number (33520954436016).

Almost surely, 2^{67041908872031} is an apocalyptic number.

67041908872031 is a deficient number, since it is larger than the sum of its proper divisors (1).

67041908872031 is an equidigital number, since it uses as much as digits as its factorization.

67041908872031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 56.

The spelling of 67041908872031 in words is "sixty-seven trillion, forty-one billion, nine hundred eight million, eight hundred seventy-two thousand, thirty-one".