24542407071421 has 12 divisors (see below), whose sum is σ = 25360095352032. Its totient is φ = 23750286339000.

The previous prime is 24542407071341. The next prime is 24542407071569. The reversal of 24542407071421 is 12417070424542.

It is not a de Polignac number, because 24542407071421 - 2²⁹ = 24541870200509 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 (24542407075421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61392216 + ... + 61790686.

It is an arithmetic number, because the mean of its divisors is an integer number (2113341279336).

Almost surely, 2^{24542407071421} is an apocalyptic number.

It is an amenable number.

24542407071421 is a deficient number, since it is larger than the sum of its proper divisors (817688280611).

24542407071421 is an equidigital number, since it uses as much as digits as its factorization.

24542407071421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462624 (or 462593 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 43.

Adding to 24542407071421 its reverse (12417070424542), we get a palindrome (36959477495963).

The spelling of 24542407071421 in words is "twenty-four trillion, five hundred forty-two billion, four hundred seven million, seventy-one thousand, four hundred twenty-one".