5721019543 has 2 divisors, whose sum is σ = 5721019544. Its totient is φ = 5721019542.

The previous prime is 5721019519. The next prime is 5721019559. The reversal of 5721019543 is 3459101275.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5721019543 is a prime.

It is a super-2 number, since 2×5721019543² = 65460129222775857698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5721019243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2860509771 + 2860509772.

It is an arithmetic number, because the mean of its divisors is an integer number (2860509772).

Almost surely, 2^5721019543 is an apocalyptic number.

5721019543 is a deficient number, since it is larger than the sum of its proper divisors (1).

5721019543 is an equidigital number, since it uses as much as digits as its factorization.

5721019543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 5721019543 is about 75637.4215782109. The cubic root of 5721019543 is about 1788.5090570710.

The spelling of 5721019543 in words is "five billion, seven hundred twenty-one million, nineteen thousand, five hundred forty-three".