21140114424653 has 16 divisors (see below), whose sum is σ = 24460318310400. Its totient is φ = 17895119953776.

The previous prime is 21140114424619. The next prime is 21140114424677. The reversal of 21140114424653 is 35642441104112.

It is a cyclic number.

It is not a de Polignac number, because 21140114424653 - 2⁶ = 21140114424589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21140114424613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5209553 + ... + 8331846.

It is an arithmetic number, because the mean of its divisors is an integer number (1528769894400).

Almost surely, 2^{21140114424653} is an apocalyptic number.

It is an amenable number.

21140114424653 is a deficient number, since it is larger than the sum of its proper divisors (3320203885747).

21140114424653 is a wasteful number, since it uses less digits than its factorization.

21140114424653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544176.

The product of its (nonzero) digits is 92160, while the sum is 38.

Adding to 21140114424653 its reverse (35642441104112), we get a palindrome (56782555528765).

The spelling of 21140114424653 in words is "twenty-one trillion, one hundred forty billion, one hundred fourteen million, four hundred twenty-four thousand, six hundred fifty-three".