2421228673 has 2 divisors, whose sum is σ = 2421228674. Its totient is φ = 2421228672.

The previous prime is 2421228659. The next prime is 2421228683. The reversal of 2421228673 is 3768221242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1592249409 + 828979264 = 39903^2 + 28792^2 .

It is a cyclic number.

It is not a de Polignac number, because 2421228673 - 2¹³ = 2421220481 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421228613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210614336 + 1210614337.

It is an arithmetic number, because the mean of its divisors is an integer number (1210614337).

Almost surely, 2^2421228673 is an apocalyptic number.

It is an amenable number.

2421228673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421228673 is an equidigital number, since it uses as much as digits as its factorization.

2421228673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The square root of 2421228673 is about 49205.9820855148. The cubic root of 2421228673 is about 1342.8018660765.

The spelling of 2421228673 in words is "two billion, four hundred twenty-one million, two hundred twenty-eight thousand, six hundred seventy-three".