13523894371 has 16 divisors (see below), whose sum is σ = 14779973824. Its totient is φ = 12299019264.

The previous prime is 13523894369. The next prime is 13523894381. The reversal of 13523894371 is 17349832531.

It is a cyclic number.

It is not a de Polignac number, because 13523894371 - 2¹ = 13523894369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13523894381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910315 + ... + 925051.

It is an arithmetic number, because the mean of its divisors is an integer number (923748364).

Almost surely, 2^13523894371 is an apocalyptic number.

13523894371 is a deficient number, since it is larger than the sum of its proper divisors (1256079453).

13523894371 is a wasteful number, since it uses less digits than its factorization.

13523894371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15790.

The product of its digits is 544320, while the sum is 46.

The spelling of 13523894371 in words is "thirteen billion, five hundred twenty-three million, eight hundred ninety-four thousand, three hundred seventy-one".