71924423413 has 2 divisors, whose sum is σ = 71924423414. Its totient is φ = 71924423412.

The previous prime is 71924423339. The next prime is 71924423503. The reversal of 71924423413 is 31432442917.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47005275249 + 24919148164 = 216807^2 + 157858^2 .

It is a cyclic number.

It is not a de Polignac number, because 71924423413 - 2²⁹ = 71387552501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71924423513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35962211706 + 35962211707.

It is an arithmetic number, because the mean of its divisors is an integer number (35962211707).

Almost surely, 2^71924423413 is an apocalyptic number.

It is an amenable number.

71924423413 is a deficient number, since it is larger than the sum of its proper divisors (1).

71924423413 is an equidigital number, since it uses as much as digits as its factorization.

71924423413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The spelling of 71924423413 in words is "seventy-one billion, nine hundred twenty-four million, four hundred twenty-three thousand, four hundred thirteen".