13730216591 has 16 divisors (see below), whose sum is σ = 16905827904. Its totient is φ = 10858904064.

The previous prime is 13730216587. The next prime is 13730216611. The reversal of 13730216591 is 19561203731.

It is a cyclic number.

It is not a de Polignac number, because 13730216591 - 2² = 13730216587 is a prime.

It is a super-2 number, since 2×13730216591² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13730216191) 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, 194951 + ... + 255863.

It is an arithmetic number, because the mean of its divisors is an integer number (1056614244).

Almost surely, 2^13730216591 is an apocalyptic number.

13730216591 is a deficient number, since it is larger than the sum of its proper divisors (3175611313).

13730216591 is a wasteful number, since it uses less digits than its factorization.

13730216591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63410.

The product of its (nonzero) digits is 34020, while the sum is 38.

The spelling of 13730216591 in words is "thirteen billion, seven hundred thirty million, two hundred sixteen thousand, five hundred ninety-one".