4571343721513 has 2 divisors, whose sum is σ = 4571343721514. Its totient is φ = 4571343721512.

The previous prime is 4571343721463. The next prime is 4571343721519. The reversal of 4571343721513 is 3151273431754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3260220249664 + 1311123471849 = 1805608^2 + 1145043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4571343721513 is a prime.

It is not a weakly prime, because it can be changed into another prime (4571343721519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2285671860756 + 2285671860757.

It is an arithmetic number, because the mean of its divisors is an integer number (2285671860757).

Almost surely, 2^{4571343721513} is an apocalyptic number.

It is an amenable number.

4571343721513 is a deficient number, since it is larger than the sum of its proper divisors (1).

4571343721513 is an equidigital number, since it uses as much as digits as its factorization.

4571343721513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 46.

The spelling of 4571343721513 in words is "four trillion, five hundred seventy-one billion, three hundred forty-three million, seven hundred twenty-one thousand, five hundred thirteen".