24143834149 has 2 divisors, whose sum is σ = 24143834150. Its totient is φ = 24143834148.

The previous prime is 24143834101. The next prime is 24143834233. The reversal of 24143834149 is 94143834142.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21379703524 + 2764130625 = 146218^2 + 52575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24143834149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24143838149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12071917074 + 12071917075.

It is an arithmetic number, because the mean of its divisors is an integer number (12071917075).

Almost surely, 2^24143834149 is an apocalyptic number.

It is an amenable number.

24143834149 is a deficient number, since it is larger than the sum of its proper divisors (1).

24143834149 is an equidigital number, since it uses as much as digits as its factorization.

24143834149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 43.

The spelling of 24143834149 in words is "twenty-four billion, one hundred forty-three million, eight hundred thirty-four thousand, one hundred forty-nine".