24342690021 has 16 divisors (see below), whose sum is σ = 36473329536. Its totient is φ = 14328806976.

The previous prime is 24342690007. The next prime is 24342690131. The reversal of 24342690021 is 12009624342.

It is not a de Polignac number, because 24342690021 - 2⁶ = 24342689957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24342692021) 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 15 ways as a sum of consecutive naturals, for example, 13568050 + ... + 13569843.

It is an arithmetic number, because the mean of its divisors is an integer number (2279583096).

Almost surely, 2^24342690021 is an apocalyptic number.

It is an amenable number.

24342690021 is a deficient number, since it is larger than the sum of its proper divisors (12130639515).

24342690021 is a wasteful number, since it uses less digits than its factorization.

24342690021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27137932.

The product of its (nonzero) digits is 20736, while the sum is 33.

The spelling of 24342690021 in words is "twenty-four billion, three hundred forty-two million, six hundred ninety thousand, twenty-one".