2421542479 has 2 divisors, whose sum is σ = 2421542480. Its totient is φ = 2421542478.

The previous prime is 2421542411. The next prime is 2421542489. The reversal of 2421542479 is 9742451242.

2421542479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421542479 - 2⁷ = 2421542351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421542489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210771239 + 1210771240.

It is an arithmetic number, because the mean of its divisors is an integer number (1210771240).

Almost surely, 2^2421542479 is an apocalyptic number.

2421542479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421542479 is an equidigital number, since it uses as much as digits as its factorization.

2421542479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 2421542479 is about 49209.1706798641. The cubic root of 2421542479 is about 1342.8598753404.

The spelling of 2421542479 in words is "two billion, four hundred twenty-one million, five hundred forty-two thousand, four hundred seventy-nine".