2601641473 has 4 divisors (see below), whose sum is σ = 2605220800. Its totient is φ = 2598062148.

The previous prime is 2601641453. The next prime is 2601641479. The reversal of 2601641473 is 3741461062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3741461062 = 2 ⋅1870730531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2601641473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2601641479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1788573 + ... + 1790026.

It is an arithmetic number, because the mean of its divisors is an integer number (651305200).

Almost surely, 2^2601641473 is an apocalyptic number.

It is an amenable number.

2601641473 is a deficient number, since it is larger than the sum of its proper divisors (3579327).

2601641473 is an equidigital number, since it uses as much as digits as its factorization.

2601641473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579326.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2601641473 is about 51006.2885632742. The cubic root of 2601641473 is about 1375.3581829178.

The spelling of 2601641473 in words is "two billion, six hundred one million, six hundred forty-one thousand, four hundred seventy-three".