13981562803 has 4 divisors (see below), whose sum is σ = 15057067648. Its totient is φ = 12906057960.

The previous prime is 13981562741. The next prime is 13981562839. The reversal of 13981562803 is 30826518931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13981562803 - 2⁹ = 13981562291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13981562863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 537752403 + ... + 537752428.

It is an arithmetic number, because the mean of its divisors is an integer number (3764266912).

Almost surely, 2^13981562803 is an apocalyptic number.

13981562803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13981562803 is a deficient number, since it is larger than the sum of its proper divisors (1075504845).

13981562803 is a wasteful number, since it uses less digits than its factorization.

13981562803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075504844.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 13981562803 in words is "thirteen billion, nine hundred eighty-one million, five hundred sixty-two thousand, eight hundred three".