2601481805 has 16 divisors (see below), whose sum is σ = 3538859520. Its totient is φ = 1819983168.

The previous prime is 2601481781. The next prime is 2601481807. The reversal of 2601481805 is 5081841062.

It is a cyclic number.

It is not a de Polignac number, because 2601481805 - 2¹⁰ = 2601480781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2601481807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1051997 + ... + 1054466.

It is an arithmetic number, because the mean of its divisors is an integer number (221178720).

Almost surely, 2^2601481805 is an apocalyptic number.

It is an amenable number.

2601481805 is a deficient number, since it is larger than the sum of its proper divisors (937377715).

2601481805 is a wasteful number, since it uses less digits than its factorization.

2601481805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106500.

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 2601481805 is about 51004.7233597046. The cubic root of 2601481805 is about 1375.3300461709.

The spelling of 2601481805 in words is "two billion, six hundred one million, four hundred eighty-one thousand, eight hundred five".