13969029312 has 420 divisors, whose sum is σ = 48718307440. Its totient is φ = 3876802560.

The previous prime is 13969029307. The next prime is 13969029337. The reversal of 13969029312 is 21392096931.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 61000014 + ... + 61000242.

Almost surely, 2^13969029312 is an apocalyptic number.

13969029312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13969029312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24359153720).

13969029312 is an abundant number, since it is smaller than the sum of its proper divisors (34749278128).

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

13969029312 is an equidigital number, since it uses as much as digits as its factorization.

13969029312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 13969029312 in words is "thirteen billion, nine hundred sixty-nine million, twenty-nine thousand, three hundred twelve".