71343837443 has 2 divisors, whose sum is σ = 71343837444. Its totient is φ = 71343837442.

The previous prime is 71343837437. The next prime is 71343837511. The reversal of 71343837443 is 34473834317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71343837443 - 2²² = 71339643139 is a prime.

It is not a weakly prime, because it can be changed into another prime (71343837413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35671918721 + 35671918722.

It is an arithmetic number, because the mean of its divisors is an integer number (35671918722).

Almost surely, 2^71343837443 is an apocalyptic number.

71343837443 is a deficient number, since it is larger than the sum of its proper divisors (1).

71343837443 is an equidigital number, since it uses as much as digits as its factorization.

71343837443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 47.

The spelling of 71343837443 in words is "seventy-one billion, three hundred forty-three million, eight hundred thirty-seven thousand, four hundred forty-three".