13663769680 has 80 divisors (see below), whose sum is σ = 34676851968. Its totient is φ = 4965696000.

The previous prime is 13663769663. The next prime is 13663769723. The reversal of 13663769680 is 8696736631.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-3 number, since 3×13663769680³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

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, 1950985 + ... + 1957975.

Almost surely, 2^13663769680 is an apocalyptic number.

13663769680 is a gapful number since it is divisible by the number (10) 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 13663769680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17338425984).

13663769680 is an abundant number, since it is smaller than the sum of its proper divisors (21013082288).

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

13663769680 is a wasteful number, since it uses less digits than its factorization.

13663769680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9236 (or 9230 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 55.

The spelling of 13663769680 in words is "thirteen billion, six hundred sixty-three million, seven hundred sixty-nine thousand, six hundred eighty".