24531149389 has 2 divisors, whose sum is σ = 24531149390. Its totient is φ = 24531149388.

The previous prime is 24531149347. The next prime is 24531149429. The reversal of 24531149389 is 98394113542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24489120100 + 42029289 = 156490^2 + 6483^2 .

It is a cyclic number.

It is not a de Polignac number, because 24531149389 - 2¹⁹ = 24530625101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24531149089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12265574694 + 12265574695.

It is an arithmetic number, because the mean of its divisors is an integer number (12265574695).

Almost surely, 2^24531149389 is an apocalyptic number.

It is an amenable number.

24531149389 is a deficient number, since it is larger than the sum of its proper divisors (1).

24531149389 is an equidigital number, since it uses as much as digits as its factorization.

24531149389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 49.

The spelling of 24531149389 in words is "twenty-four billion, five hundred thirty-one million, one hundred forty-nine thousand, three hundred eighty-nine".