24942472349 has 4 divisors (see below), whose sum is σ = 24944960064. Its totient is φ = 24939984636.

The previous prime is 24942472339. The next prime is 24942472361. The reversal of 24942472349 is 94327424942.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94327424942 = 2 ⋅47163712471.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24942472349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24942472297 and 24942472306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24942472339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228757 + ... + 1248890.

It is an arithmetic number, because the mean of its divisors is an integer number (6236240016).

Almost surely, 2^24942472349 is an apocalyptic number.

It is an amenable number.

24942472349 is a deficient number, since it is larger than the sum of its proper divisors (2487715).

24942472349 is a wasteful number, since it uses less digits than its factorization.

24942472349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2487714.

The product of its digits is 3483648, while the sum is 50.

The spelling of 24942472349 in words is "twenty-four billion, nine hundred forty-two million, four hundred seventy-two thousand, three hundred forty-nine".