24042663649 has 4 divisors (see below), whose sum is σ = 24046302640. Its totient is φ = 24039024660.

The previous prime is 24042663629. The next prime is 24042663683. The reversal of 24042663649 is 94636624042.

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 a de Polignac number, because none of the positive numbers 2^k-24042663649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24042663599 and 24042663608.

It is not an unprimeable number, because it can be changed into a prime (24042663629) 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, 1809567 + ... + 1822804.

It is an arithmetic number, because the mean of its divisors is an integer number (6011575660).

Almost surely, 2^24042663649 is an apocalyptic number.

It is an amenable number.

24042663649 is a deficient number, since it is larger than the sum of its proper divisors (3638991).

24042663649 is an equidigital number, since it uses as much as digits as its factorization.

24042663649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3638990.

The product of its (nonzero) digits is 1492992, while the sum is 46.

It can be divided in two parts, 2404266 and 3649, that added together give a triangular number (2407915 = T₂₁₉₄).

The spelling of 24042663649 in words is "twenty-four billion, forty-two million, six hundred sixty-three thousand, six hundred forty-nine".