13973656371 has 16 divisors (see below), whose sum is σ = 19489182720. Its totient is φ = 8888932800.

The previous prime is 13973656357. The next prime is 13973656429. The reversal of 13973656371 is 17365637931.

It is not a de Polignac number, because 13973656371 - 2⁹ = 13973655859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13973658371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219355 + ... + 275796.

It is an arithmetic number, because the mean of its divisors is an integer number (1218073920).

Almost surely, 2^13973656371 is an apocalyptic number.

13973656371 is a deficient number, since it is larger than the sum of its proper divisors (5515526349).

13973656371 is a wasteful number, since it uses less digits than its factorization.

13973656371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495586.

The product of its digits is 2143260, while the sum is 51.

The spelling of 13973656371 in words is "thirteen billion, nine hundred seventy-three million, six hundred fifty-six thousand, three hundred seventy-one".