24402419989 has 2 divisors, whose sum is σ = 24402419990. Its totient is φ = 24402419988.

The previous prime is 24402419981. The next prime is 24402420059. The reversal of 24402419989 is 98991420442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13417283889 + 10985136100 = 115833^2 + 104810^2 .

It is a cyclic number.

It is not a de Polignac number, because 24402419989 - 2³ = 24402419981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24402419981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12201209994 + 12201209995.

It is an arithmetic number, because the mean of its divisors is an integer number (12201209995).

Almost surely, 2^24402419989 is an apocalyptic number.

It is an amenable number.

24402419989 is a deficient number, since it is larger than the sum of its proper divisors (1).

24402419989 is an equidigital number, since it uses as much as digits as its factorization.

24402419989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 24402419989 in words is "twenty-four billion, four hundred two million, four hundred nineteen thousand, nine hundred eighty-nine".