2421364823 has 2 divisors, whose sum is σ = 2421364824. Its totient is φ = 2421364822.

The previous prime is 2421364817. The next prime is 2421364843. The reversal of 2421364823 is 3284631242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2421364823 - 2¹⁸ = 2421102679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2421364843) 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, 1210682411 + 1210682412.

It is an arithmetic number, because the mean of its divisors is an integer number (1210682412).

Almost surely, 2^2421364823 is an apocalyptic number.

2421364823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2421364823 is an equidigital number, since it uses as much as digits as its factorization.

2421364823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 35.

The square root of 2421364823 is about 49207.3655360658. The cubic root of 2421364823 is about 1342.8270349848.

The spelling of 2421364823 in words is "two billion, four hundred twenty-one million, three hundred sixty-four thousand, eight hundred twenty-three".