13420549984 has 48 divisors (see below), whose sum is σ = 27825925680. Its totient is φ = 6353994240.

The previous prime is 13420549981. The next prime is 13420549997. The reversal of 13420549984 is 48994502431.

It is a happy number.

It is a super-2 number, since 2×13420549984² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420549981) 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, 1662502 + ... + 1670554.

It is an arithmetic number, because the mean of its divisors is an integer number (579706785).

Almost surely, 2^13420549984 is an apocalyptic number.

It is an amenable number.

13420549984 is an abundant number, since it is smaller than the sum of its proper divisors (14405375696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13420549984 is a wasteful number, since it uses less digits than its factorization.

13420549984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823 (or 10815 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 13420549984 in words is "thirteen billion, four hundred twenty million, five hundred forty-nine thousand, nine hundred eighty-four".