24640432313 has 4 divisors (see below), whose sum is σ = 28160494080. Its totient is φ = 21120370548.

The previous prime is 24640432279. The next prime is 24640432319. The reversal of 24640432313 is 31323404642.

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: 31323404642 = 2 ⋅15661702321.

It is a cyclic number.

It is not a de Polignac number, because 24640432313 - 2⁶ = 24640432249 is a prime.

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 24640432313.

It is not an unprimeable number, because it can be changed into a prime (24640432319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760030873 + ... + 1760030886.

It is an arithmetic number, because the mean of its divisors is an integer number (7040123520).

Almost surely, 2^24640432313 is an apocalyptic number.

It is an amenable number.

24640432313 is a deficient number, since it is larger than the sum of its proper divisors (3520061767).

24640432313 is an equidigital number, since it uses as much as digits as its factorization.

24640432313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520061766.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 24640432313 its reverse (31323404642), we get a palindrome (55963836955).

The spelling of 24640432313 in words is "twenty-four billion, six hundred forty million, four hundred thirty-two thousand, three hundred thirteen".