13963038894 has 24 divisors (see below), whose sum is σ = 34575144240. Its totient is φ = 3989439648.

The previous prime is 13963038889. The next prime is 13963038911. The reversal of 13963038894 is 49883036931.

It is a self number, because there is not a number n which added to its sum of digits gives 13963038894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55408759 + ... + 55409010.

It is an arithmetic number, because the mean of its divisors is an integer number (1440631010).

Almost surely, 2^13963038894 is an apocalyptic number.

13963038894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13963038894 is an abundant number, since it is smaller than the sum of its proper divisors (20612105346).

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

13963038894 is a wasteful number, since it uses less digits than its factorization.

13963038894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110817784 (or 110817781 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 13963038894 in words is "thirteen billion, nine hundred sixty-three million, thirty-eight thousand, eight hundred ninety-four".