13005551641 has 8 divisors (see below), whose sum is σ = 13588861824. Its totient is φ = 12423729120.

The previous prime is 13005551621. The next prime is 13005551693. The reversal of 13005551641 is 14615550031.

It is a happy number.

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 13005551641 - 2⁵ = 13005551609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13005551621) 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, 354021 + ... + 389026.

It is an arithmetic number, because the mean of its divisors is an integer number (1698607728).

Almost surely, 2^13005551641 is an apocalyptic number.

It is an amenable number.

13005551641 is a deficient number, since it is larger than the sum of its proper divisors (583310183).

13005551641 is an equidigital number, since it uses as much as digits as its factorization.

13005551641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743831.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 13005551641 in words is "thirteen billion, five million, five hundred fifty-one thousand, six hundred forty-one".