71368204459 has 4 divisors (see below), whose sum is σ = 71444372104. Its totient is φ = 71292036816.

The previous prime is 71368204417. The next prime is 71368204471. The reversal of 71368204459 is 95440286317.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71368204459 - 2⁷ = 71368204331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71368604459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38082417 + ... + 38084290.

It is an arithmetic number, because the mean of its divisors is an integer number (17861093026).

It is a 1-persistent number, because it is pandigital, but 2⋅71368204459 = 142736408918 is not.

Almost surely, 2^71368204459 is an apocalyptic number.

71368204459 is a deficient number, since it is larger than the sum of its proper divisors (76167645).

71368204459 is an equidigital number, since it uses as much as digits as its factorization.

71368204459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76167644.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 71368204459 in words is "seventy-one billion, three hundred sixty-eight million, two hundred four thousand, four hundred fifty-nine".