71924423339 has 2 divisors, whose sum is σ = 71924423340. Its totient is φ = 71924423338.

The previous prime is 71924423299. The next prime is 71924423413. The reversal of 71924423339 is 93332442917.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71924423339 - 2³² = 67629456043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 71924423293 and 71924423302.

It is not a weakly prime, because it can be changed into another prime (71924483339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35962211669 + 35962211670.

It is an arithmetic number, because the mean of its divisors is an integer number (35962211670).

Almost surely, 2^71924423339 is an apocalyptic number.

71924423339 is a deficient number, since it is larger than the sum of its proper divisors (1).

71924423339 is an equidigital number, since it uses as much as digits as its factorization.

71924423339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 979776, while the sum is 47.

The spelling of 71924423339 in words is "seventy-one billion, nine hundred twenty-four million, four hundred twenty-three thousand, three hundred thirty-nine".