13429707856 has 20 divisors (see below), whose sum is σ = 26021887072. Its totient is φ = 6714382176.

The previous prime is 13429707829. The next prime is 13429707857. The reversal of 13429707856 is 65870792431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13429707857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366631 + ... + 401593.

It is a 1-persistent number, because it is pandigital, but 2⋅13429707856 = 26859415712 is not.

Almost surely, 2^13429707856 is an apocalyptic number.

13429707856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13429707856 is a deficient number, since it is larger than the sum of its proper divisors (12592179216).

13429707856 is a wasteful number, since it uses less digits than its factorization.

13429707856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58978 (or 58972 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 13429707856 in words is "thirteen billion, four hundred twenty-nine million, seven hundred seven thousand, eight hundred fifty-six".