2421469447 has 2 divisors, whose sum is σ = 2421469448. Its totient is φ = 2421469446.

The previous prime is 2421469399. The next prime is 2421469487. The reversal of 2421469447 is 7449641242.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421469447 - 2³¹ = 273985799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421469487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210734723 + 1210734724.

It is an arithmetic number, because the mean of its divisors is an integer number (1210734724).

Almost surely, 2^2421469447 is an apocalyptic number.

2421469447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421469447 is an equidigital number, since it uses as much as digits as its factorization.

2421469447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The square root of 2421469447 is about 49208.4286174635. The cubic root of 2421469447 is about 1342.8463753049.

The spelling of 2421469447 in words is "two billion, four hundred twenty-one million, four hundred sixty-nine thousand, four hundred forty-seven".