24900138127 has 4 divisors (see below), whose sum is σ = 25065039856. Its totient is φ = 24735236400.

The previous prime is 24900138113. The next prime is 24900138139. The reversal of 24900138127 is 72183100942.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 24900138127 - 2³¹ = 22752654479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24900138157) 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, 82450638 + ... + 82450939.

It is an arithmetic number, because the mean of its divisors is an integer number (6266259964).

Almost surely, 2^24900138127 is an apocalyptic number.

24900138127 is a deficient number, since it is larger than the sum of its proper divisors (164901729).

24900138127 is a wasteful number, since it uses less digits than its factorization.

24900138127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164901728.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 24900138127 in words is "twenty-four billion, nine hundred million, one hundred thirty-eight thousand, one hundred twenty-seven".