2421209741 has 2 divisors, whose sum is σ = 2421209742. Its totient is φ = 2421209740.

The previous prime is 2421209711. The next prime is 2421209783. The reversal of 2421209741 is 1479021242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2417787241 + 3422500 = 49171^2 + 1850^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421209741 - 2¹⁸ = 2420947597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2421209698 and 2421209707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421209711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210604870 + 1210604871.

It is an arithmetic number, because the mean of its divisors is an integer number (1210604871).

Almost surely, 2^2421209741 is an apocalyptic number.

It is an amenable number.

2421209741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421209741 is an equidigital number, since it uses as much as digits as its factorization.

2421209741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2421209741 is about 49205.7897101550. The cubic root of 2421209741 is about 1342.7983662018.

The spelling of 2421209741 in words is "two billion, four hundred twenty-one million, two hundred nine thousand, seven hundred forty-one".