24642026641 has 4 divisors (see below), whose sum is σ = 25215097072. Its totient is φ = 24068956212.

The previous prime is 24642026639. The next prime is 24642026659. The reversal of 24642026641 is 14662024642.

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 24642026641 - 2¹ = 24642026639 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 24642026641.

It is not an unprimeable number, because it can be changed into a prime (24642026341) 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, 286535151 + ... + 286535236.

It is an arithmetic number, because the mean of its divisors is an integer number (6303774268).

Almost surely, 2^24642026641 is an apocalyptic number.

It is an amenable number.

24642026641 is a deficient number, since it is larger than the sum of its proper divisors (573070431).

24642026641 is an equidigital number, since it uses as much as digits as its factorization.

24642026641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573070430.

The product of its (nonzero) digits is 110592, while the sum is 37.

It can be divided in two parts, 2464 and 2026641, that added together give a triangular number (2029105 = T₂₀₁₄).

The spelling of 24642026641 in words is "twenty-four billion, six hundred forty-two million, twenty-six thousand, six hundred forty-one".