24645421983 has 16 divisors (see below), whose sum is σ = 40443769856. Its totient is φ = 12999782880.

The previous prime is 24645421981. The next prime is 24645422069. The reversal of 24645421983 is 38912454642.

It is not a de Polignac number, because 24645421983 - 2¹ = 24645421981 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24645421981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45137863 + ... + 45138408.

It is an arithmetic number, because the mean of its divisors is an integer number (2527735616).

Almost surely, 2^24645421983 is an apocalyptic number.

24645421983 is a deficient number, since it is larger than the sum of its proper divisors (15798347873).

24645421983 is a wasteful number, since it uses less digits than its factorization.

24645421983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90276294.

The product of its digits is 1658880, while the sum is 48.

The spelling of 24645421983 in words is "twenty-four billion, six hundred forty-five million, four hundred twenty-one thousand, nine hundred eighty-three".