14421240521 has 8 divisors (see below), whose sum is σ = 15181666080. Its totient is φ = 13660956288.

The previous prime is 14421240479. The next prime is 14421240527. The reversal of 14421240521 is 12504212441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14421240521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14421240527) 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, 222410 + ... + 279836.

It is an arithmetic number, because the mean of its divisors is an integer number (1897708260).

Almost surely, 2^14421240521 is an apocalyptic number.

It is an amenable number.

14421240521 is a deficient number, since it is larger than the sum of its proper divisors (760425559).

14421240521 is a wasteful number, since it uses less digits than its factorization.

14421240521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70663.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 14421240521 its reverse (12504212441), we get a palindrome (26925452962).

The spelling of 14421240521 in words is "fourteen billion, four hundred twenty-one million, two hundred forty thousand, five hundred twenty-one".