24799442161 has 8 divisors (see below), whose sum is σ = 26725000680. Its totient is φ = 22876442112.

The previous prime is 24799442147. The next prime is 24799442183. The reversal of 24799442161 is 16124499742.

It can be written as a sum of positive squares in 4 ways, for example, as 2389352161 + 22410090000 = 48881^2 + 149700^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 24799442161 - 2¹³ = 24799433969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (24799482161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619456 + ... + 658273.

It is an arithmetic number, because the mean of its divisors is an integer number (3340625085).

Almost surely, 2^24799442161 is an apocalyptic number.

It is an amenable number.

24799442161 is a deficient number, since it is larger than the sum of its proper divisors (1925558519).

24799442161 is a wasteful number, since it uses less digits than its factorization.

24799442161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279235.

The product of its digits is 870912, while the sum is 49.

The spelling of 24799442161 in words is "twenty-four billion, seven hundred ninety-nine million, four hundred forty-two thousand, one hundred sixty-one".