5241721699 has 2 divisors, whose sum is σ = 5241721700. Its totient is φ = 5241721698.

The previous prime is 5241721663. The next prime is 5241721717. The reversal of 5241721699 is 9961271425.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5241721699 is a prime.

It is not a weakly prime, because it can be changed into another prime (5241721099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2620860849 + 2620860850.

It is an arithmetic number, because the mean of its divisors is an integer number (2620860850).

Almost surely, 2^5241721699 is an apocalyptic number.

5241721699 is a deficient number, since it is larger than the sum of its proper divisors (1).

5241721699 is an equidigital number, since it uses as much as digits as its factorization.

5241721699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 46.

The square root of 5241721699 is about 72399.7354898483. The cubic root of 5241721699 is about 1737.0993309273.

The spelling of 5241721699 in words is "five billion, two hundred forty-one million, seven hundred twenty-one thousand, six hundred ninety-nine".