21403014413 has 8 divisors (see below), whose sum is σ = 23979790560. Its totient is φ = 18931412880.

The previous prime is 21403014377. The next prime is 21403014443. The reversal of 21403014413 is 31441030412.

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 21403014413 - 2⁶ = 21403014349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21403014443) 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, 26293223 + ... + 26294036.

It is an arithmetic number, because the mean of its divisors is an integer number (2997473820).

Almost surely, 2^21403014413 is an apocalyptic number.

It is an amenable number.

21403014413 is a deficient number, since it is larger than the sum of its proper divisors (2576776147).

21403014413 is a wasteful number, since it uses less digits than its factorization.

21403014413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52587307.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21403014413 its reverse (31441030412), we get a palindrome (52844044825).

The spelling of 21403014413 in words is "twenty-one billion, four hundred three million, fourteen thousand, four hundred thirteen".