13643540348 has 24 divisors (see below), whose sum is σ = 24449749632. Its totient is φ = 6658135344.

The previous prime is 13643540341. The next prime is 13643540359. The reversal of 13643540348 is 84304534631.

It is a super-2 number, since 2×13643540348² (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 (13643540341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206111 + ... + 264137.

It is an arithmetic number, because the mean of its divisors is an integer number (1018739568).

Almost surely, 2^13643540348 is an apocalyptic number.

It is an amenable number.

13643540348 is a deficient number, since it is larger than the sum of its proper divisors (10806209284).

13643540348 is a wasteful number, since it uses less digits than its factorization.

13643540348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59441 (or 59439 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 13643540348 in words is "thirteen billion, six hundred forty-three million, five hundred forty thousand, three hundred forty-eight".