24450149389 has 2 divisors, whose sum is σ = 24450149390. Its totient is φ = 24450149388.

The previous prime is 24450149363. The next prime is 24450149417. The reversal of 24450149389 is 98394105442.

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., 19056422025 + 5393727364 = 138045^2 + 73442^2 .

It is a cyclic number.

It is not a de Polignac number, because 24450149389 - 2¹³ = 24450141197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24450149329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12225074694 + 12225074695.

It is an arithmetic number, because the mean of its divisors is an integer number (12225074695).

Almost surely, 2^24450149389 is an apocalyptic number.

It is an amenable number.

24450149389 is a deficient number, since it is larger than the sum of its proper divisors (1).

24450149389 is an equidigital number, since it uses as much as digits as its factorization.

24450149389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 24450149389 in words is "twenty-four billion, four hundred fifty million, one hundred forty-nine thousand, three hundred eighty-nine".