13421705016 has 32 divisors (see below), whose sum is σ = 35013144960. Its totient is φ = 4279384032.

The previous prime is 13421704979. The next prime is 13421705027. The reversal of 13421705016 is 61050712431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12156790 + ... + 12157893.

It is an arithmetic number, because the mean of its divisors is an integer number (1094160780).

Almost surely, 2^13421705016 is an apocalyptic number.

It is an amenable number.

13421705016 is an abundant number, since it is smaller than the sum of its proper divisors (21591439944).

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

13421705016 is a wasteful number, since it uses less digits than its factorization.

13421705016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24314715 (or 24314711 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The spelling of 13421705016 in words is "thirteen billion, four hundred twenty-one million, seven hundred five thousand, sixteen".