13969465776 has 120 divisors (see below), whose sum is σ = 44716106240. Its totient is φ = 3988061568.

The previous prime is 13969465751. The next prime is 13969465787. The reversal of 13969465776 is 67756496931.

13969465776 is a `hidden beast` number, since 13 + 9 + 6 + 9 + 46 + 577 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1429515 + ... + 1439253.

Almost surely, 2^13969465776 is an apocalyptic number.

13969465776 is a gapful number since it is divisible by the number (16) 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 13969465776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22358053120).

13969465776 is an abundant number, since it is smaller than the sum of its proper divisors (30746640464).

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

13969465776 is a wasteful number, since it uses less digits than its factorization.

13969465776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11183 (or 11174 counting only the distinct ones).

The product of its digits is 51438240, while the sum is 63.

The spelling of 13969465776 in words is "thirteen billion, nine hundred sixty-nine million, four hundred sixty-five thousand, seven hundred seventy-six".