7426417716421 has 16 divisors (see below), whose sum is σ = 8239772574720. Its totient is φ = 6636125844720.

The previous prime is 7426417716407. The next prime is 7426417716427. The reversal of 7426417716421 is 1246177146247.

It is a cyclic number.

It is not a de Polignac number, because 7426417716421 - 2³³ = 7417827781829 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 (7426417716427) 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, 5279326 + ... + 6536368.

It is an arithmetic number, because the mean of its divisors is an integer number (514985785920).

Almost surely, 2^{7426417716421} is an apocalyptic number.

It is an amenable number.

7426417716421 is a deficient number, since it is larger than the sum of its proper divisors (813354858299).

7426417716421 is a wasteful number, since it uses less digits than its factorization.

7426417716421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266216.

The product of its digits is 3161088, while the sum is 52.

The spelling of 7426417716421 in words is "seven trillion, four hundred twenty-six billion, four hundred seventeen million, seven hundred sixteen thousand, four hundred twenty-one".