71867932141 has 2 divisors, whose sum is σ = 71867932142. Its totient is φ = 71867932140.

The previous prime is 71867932111. The next prime is 71867932181. The reversal of 71867932141 is 14123976817.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47476052100 + 24391880041 = 217890^2 + 156179^2 .

It is an emirp because it is prime and its reverse (14123976817) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71867932141 - 2¹³ = 71867923949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71867932111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35933966070 + 35933966071.

It is an arithmetic number, because the mean of its divisors is an integer number (35933966071).

Almost surely, 2^71867932141 is an apocalyptic number.

It is an amenable number.

71867932141 is a deficient number, since it is larger than the sum of its proper divisors (1).

71867932141 is an equidigital number, since it uses as much as digits as its factorization.

71867932141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 49.

The spelling of 71867932141 in words is "seventy-one billion, eight hundred sixty-seven million, nine hundred thirty-two thousand, one hundred forty-one".