24220454389 has 2 divisors, whose sum is σ = 24220454390. Its totient is φ = 24220454388.

The previous prime is 24220454351. The next prime is 24220454501. The reversal of 24220454389 is 98345402242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15489047025 + 8731407364 = 124455^2 + 93442^2 .

It is a cyclic number.

It is not a de Polignac number, because 24220454389 - 2²¹ = 24218357237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24220454189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12110227194 + 12110227195.

It is an arithmetic number, because the mean of its divisors is an integer number (12110227195).

Almost surely, 2^24220454389 is an apocalyptic number.

It is an amenable number.

24220454389 is a deficient number, since it is larger than the sum of its proper divisors (1).

24220454389 is an equidigital number, since it uses as much as digits as its factorization.

24220454389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 24220454389 in words is "twenty-four billion, two hundred twenty million, four hundred fifty-four thousand, three hundred eighty-nine".