2421542325563 has 2 divisors, whose sum is σ = 2421542325564. Its totient is φ = 2421542325562.

The previous prime is 2421542325481. The next prime is 2421542325569. The reversal of 2421542325563 is 3655232451242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2421542325563 - 2³⁰ = 2420468583739 is a prime.

It is not a weakly prime, because it can be changed into another prime (2421542325569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210771162781 + 1210771162782.

It is an arithmetic number, because the mean of its divisors is an integer number (1210771162782).

Almost surely, 2^{2421542325563} is an apocalyptic number.

2421542325563 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421542325563 is an equidigital number, since it uses as much as digits as its factorization.

2421542325563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728000, while the sum is 44.

The spelling of 2421542325563 in words is "two trillion, four hundred twenty-one billion, five hundred forty-two million, three hundred twenty-five thousand, five hundred sixty-three".