13421782358548 has 12 divisors (see below), whose sum is σ = 23538849409600. Its totient is φ = 6696396812952.

The previous prime is 13421782358497. The next prime is 13421782358603. The reversal of 13421782358548 is 84585328712431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3623589498 + ... + 3623593201.

Almost surely, 2^{13421782358548} is an apocalyptic number.

It is an amenable number.

13421782358548 is a deficient number, since it is larger than the sum of its proper divisors (10117067051052).

13421782358548 is a wasteful number, since it uses less digits than its factorization.

13421782358548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7247183166 (or 7247183164 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 61.

The spelling of 13421782358548 in words is "thirteen trillion, four hundred twenty-one billion, seven hundred eighty-two million, three hundred fifty-eight thousand, five hundred forty-eight".