13993414452 has 72 divisors (see below), whose sum is σ = 36950449536. Its totient is φ = 4456799424.

The previous prime is 13993414451. The next prime is 13993414453. The reversal of 13993414452 is 25441439931.

It is an interprime number because it is at equal distance from previous prime (13993414451) and next prime (13993414453).

It is a junction number, because it is equal to n+sod(n) for n = 13993414398 and 13993414407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13993414451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 791938 + ... + 809414.

It is an arithmetic number, because the mean of its divisors is an integer number (513200688).

Almost surely, 2^13993414452 is an apocalyptic number.

13993414452 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 13993414452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18475224768).

13993414452 is an abundant number, since it is smaller than the sum of its proper divisors (22957035084).

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

13993414452 is a wasteful number, since it uses less digits than its factorization.

13993414452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18477 (or 18472 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 13993414452 in words is "thirteen billion, nine hundred ninety-three million, four hundred fourteen thousand, four hundred fifty-two".