21468251127 has 8 divisors (see below), whose sum is σ = 28891852416. Its totient is φ = 14178408632.

The previous prime is 21468251089. The next prime is 21468251159. The reversal of 21468251127 is 72115286412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21468251127 - 2⁸ = 21468250871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21468253127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33439323 + ... + 33439964.

It is an arithmetic number, because the mean of its divisors is an integer number (3611481552).

Almost surely, 2^21468251127 is an apocalyptic number.

21468251127 is a deficient number, since it is larger than the sum of its proper divisors (7423601289).

21468251127 is a wasteful number, since it uses less digits than its factorization.

21468251127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66879397.

The product of its digits is 53760, while the sum is 39.

The spelling of 21468251127 in words is "twenty-one billion, four hundred sixty-eight million, two hundred fifty-one thousand, one hundred twenty-seven".