13581697001 has 8 divisors (see below), whose sum is σ = 14385893544. Its totient is φ = 12778086400.

The previous prime is 13581696971. The next prime is 13581697007. The reversal of 13581697001 is 10079618531.

It can be written as a sum of positive squares in 4 ways, for example, as 9086664976 + 4495032025 = 95324^2 + 67045^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13581697001 - 2⁶ = 13581696937 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13581697001.

It is not an unprimeable number, because it can be changed into a prime (13581697007) 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, 98300 + ... + 191901.

It is an arithmetic number, because the mean of its divisors is an integer number (1798236693).

Almost surely, 2^13581697001 is an apocalyptic number.

It is an amenable number.

13581697001 is a deficient number, since it is larger than the sum of its proper divisors (804196543).

13581697001 is a wasteful number, since it uses less digits than its factorization.

13581697001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292971.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 13581697001 in words is "thirteen billion, five hundred eighty-one million, six hundred ninety-seven thousand, one".