24509482921 has 12 divisors (see below), whose sum is σ = 31102943760. Its totient is φ = 19098297960.

The previous prime is 24509482919. The next prime is 24509482937. The reversal of 24509482921 is 12928490542.

It is not a de Polignac number, because 24509482921 - 2¹ = 24509482919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (24509482951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22735531 + ... + 22736608.

It is an arithmetic number, because the mean of its divisors is an integer number (2591911980).

Almost surely, 2^24509482921 is an apocalyptic number.

It is an amenable number.

24509482921 is a deficient number, since it is larger than the sum of its proper divisors (6593460839).

24509482921 is a wasteful number, since it uses less digits than its factorization.

24509482921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45472164 (or 45472157 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 24509482921 in words is "twenty-four billion, five hundred nine million, four hundred eighty-two thousand, nine hundred twenty-one".