7421713544228 has 12 divisors (see below), whose sum is σ = 12988102387932. Its totient is φ = 3710827147680.

The previous prime is 7421713544227. The next prime is 7421713544237. The reversal of 7421713544228 is 8224453171247.

It can be written as a sum of positive squares in 2 ways, for example, as 1501796328484 + 5919917215744 = 1225478^2 + 2433088^2 .

It is not an unprimeable number, because it can be changed into a prime (7421713544227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6837575 + ... + 7848302.

It is an arithmetic number, because the mean of its divisors is an integer number (1082341865661).

Almost surely, 2^{7421713544228} is an apocalyptic number.

It is an amenable number.

7421713544228 is a deficient number, since it is larger than the sum of its proper divisors (5566388843704).

7421713544228 is a wasteful number, since it uses less digits than its factorization.

7421713544228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14812222 (or 14812220 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 50.

The spelling of 7421713544228 in words is "seven trillion, four hundred twenty-one billion, seven hundred thirteen million, five hundred forty-four thousand, two hundred twenty-eight".