68571334441 has 4 divisors (see below), whose sum is σ = 71552696832. Its totient is φ = 65589972052.

The previous prime is 68571334421. The next prime is 68571334501. The reversal of 68571334441 is 14443317586.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68571334441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68571334391 and 68571334400.

It is not an unprimeable number, because it can be changed into a prime (68571334421) 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, 1490681161 + ... + 1490681206.

It is an arithmetic number, because the mean of its divisors is an integer number (17888174208).

Almost surely, 2^68571334441 is an apocalyptic number.

It is an amenable number.

68571334441 is a deficient number, since it is larger than the sum of its proper divisors (2981362391).

68571334441 is a wasteful number, since it uses less digits than its factorization.

68571334441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2981362390.

The product of its digits is 967680, while the sum is 46.

The spelling of 68571334441 in words is "sixty-eight billion, five hundred seventy-one million, three hundred thirty-four thousand, four hundred forty-one".