20241423989 has 2 divisors, whose sum is σ = 20241423990. Its totient is φ = 20241423988.

The previous prime is 20241423971. The next prime is 20241424019. The reversal of 20241423989 is 98932414202.

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., 11989155025 + 8252268964 = 109495^2 + 90842^2 .

It is a cyclic number.

It is not a de Polignac number, because 20241423989 - 2⁸ = 20241423733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20241423089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10120711994 + 10120711995.

It is an arithmetic number, because the mean of its divisors is an integer number (10120711995).

Almost surely, 2^20241423989 is an apocalyptic number.

It is an amenable number.

20241423989 is a deficient number, since it is larger than the sum of its proper divisors (1).

20241423989 is an equidigital number, since it uses as much as digits as its factorization.

20241423989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 20241423989 in words is "twenty billion, two hundred forty-one million, four hundred twenty-three thousand, nine hundred eighty-nine".