13420876381 has 8 divisors (see below), whose sum is σ = 14667728544. Its totient is φ = 12178486320.

The previous prime is 13420876361. The next prime is 13420876397. The reversal of 13420876381 is 18367802431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13420876381 is a prime.

It is a super-2 number, since 2×13420876381² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420876361) 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, 1109230 + ... + 1121263.

It is an arithmetic number, because the mean of its divisors is an integer number (1833466068).

Almost surely, 2^13420876381 is an apocalyptic number.

13420876381 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13420876381 is a deficient number, since it is larger than the sum of its proper divisors (1246852163).

13420876381 is a wasteful number, since it uses less digits than its factorization.

13420876381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231051.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 13420876381 in words is "thirteen billion, four hundred twenty million, eight hundred seventy-six thousand, three hundred eighty-one".