13501363681 has 8 divisors (see below), whose sum is σ = 14571071424. Its totient is φ = 12436104720.

The previous prime is 13501363669. The next prime is 13501363693. The reversal of 13501363681 is 18636310531.

It is an interprime number because it is at equal distance from previous prime (13501363669) and next prime (13501363693).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13501363681 - 2⁵ = 13501363649 is a prime.

It is a super-2 number, since 2×13501363681² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13501363681.

It is not an unprimeable number, because it can be changed into a prime (13501363481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105885 + ... + 1118026.

It is an arithmetic number, because the mean of its divisors is an integer number (1821383928).

Almost surely, 2^13501363681 is an apocalyptic number.

It is an amenable number.

13501363681 is a deficient number, since it is larger than the sum of its proper divisors (1069707743).

13501363681 is a wasteful number, since it uses less digits than its factorization.

13501363681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224391.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 13501363681 in words is "thirteen billion, five hundred one million, three hundred sixty-three thousand, six hundred eighty-one".