71103344239 has 2 divisors, whose sum is σ = 71103344240. Its totient is φ = 71103344238.

The previous prime is 71103344233. The next prime is 71103344303. The reversal of 71103344239 is 93244330117.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71103344239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71103344198 and 71103344207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71103344233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35551672119 + 35551672120.

It is an arithmetic number, because the mean of its divisors is an integer number (35551672120).

Almost surely, 2^71103344239 is an apocalyptic number.

71103344239 is a deficient number, since it is larger than the sum of its proper divisors (1).

71103344239 is an equidigital number, since it uses as much as digits as its factorization.

71103344239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 71103344239 in words is "seventy-one billion, one hundred three million, three hundred forty-four thousand, two hundred thirty-nine".