24542478829 has 4 divisors (see below), whose sum is σ = 26773613280. Its totient is φ = 22311344380.

The previous prime is 24542478823. The next prime is 24542478833. The reversal of 24542478829 is 92887424542.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 24542478829 - 2¹⁷ = 24542347757 is a prime.

It is a super-2 number, since 2×24542478829² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 24542478829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24542478823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1115567209 + ... + 1115567230.

It is an arithmetic number, because the mean of its divisors is an integer number (6693403320).

Almost surely, 2^24542478829 is an apocalyptic number.

It is an amenable number.

24542478829 is a deficient number, since it is larger than the sum of its proper divisors (2231134451).

24542478829 is a wasteful number, since it uses less digits than its factorization.

24542478829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231134450.

The product of its digits is 10321920, while the sum is 55.

The spelling of 24542478829 in words is "twenty-four billion, five hundred forty-two million, four hundred seventy-eight thousand, eight hundred twenty-nine".