5748787721 has 2 divisors, whose sum is σ = 5748787722. Its totient is φ = 5748787720.

The previous prime is 5748787697. The next prime is 5748787757. The reversal of 5748787721 is 1277878475.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5683501321 + 65286400 = 75389^2 + 8080^2 .

It is a cyclic number.

It is not a de Polignac number, because 5748787721 - 2¹⁰ = 5748786697 is a prime.

It is a super-2 number, since 2×5748787721² = 66097120522240747682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5748787771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2874393860 + 2874393861.

It is an arithmetic number, because the mean of its divisors is an integer number (2874393861).

Almost surely, 2^5748787721 is an apocalyptic number.

It is an amenable number.

5748787721 is a deficient number, since it is larger than the sum of its proper divisors (1).

5748787721 is an equidigital number, since it uses as much as digits as its factorization.

5748787721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6146560, while the sum is 56.

The square root of 5748787721 is about 75820.7604881407. The cubic root of 5748787721 is about 1791.3980236533.

The spelling of 5748787721 in words is "five billion, seven hundred forty-eight million, seven hundred eighty-seven thousand, seven hundred twenty-one".