13421349385 has 16 divisors (see below), whose sum is σ = 16507693440. Its totient is φ = 10469324160.

The previous prime is 13421349377. The next prime is 13421349407. The reversal of 13421349385 is 58394312431.

It is not a de Polignac number, because 13421349385 - 2³ = 13421349377 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367774 + ... + 402616.

It is an arithmetic number, because the mean of its divisors is an integer number (1031730840).

Almost surely, 2^13421349385 is an apocalyptic number.

It is an amenable number.

13421349385 is a deficient number, since it is larger than the sum of its proper divisors (3086344055).

13421349385 is a wasteful number, since it uses less digits than its factorization.

13421349385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36768.

The product of its digits is 311040, while the sum is 43.

The spelling of 13421349385 in words is "thirteen billion, four hundred twenty-one million, three hundred forty-nine thousand, three hundred eighty-five".