2601565043 has 32 divisors (see below), whose sum is σ = 3398320128. Its totient is φ = 1932400800.

The previous prime is 2601565033. The next prime is 2601565069. The reversal of 2601565043 is 3405651062.

It is not a de Polignac number, because 2601565043 - 2⁸ = 2601564787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2601565013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151796 + ... + 168062.

It is an arithmetic number, because the mean of its divisors is an integer number (106197504).

Almost surely, 2^2601565043 is an apocalyptic number.

2601565043 is a deficient number, since it is larger than the sum of its proper divisors (796755085).

2601565043 is a wasteful number, since it uses less digits than its factorization.

2601565043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16383.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2601565043 is about 51005.5393364289. The cubic root of 2601565043 is about 1375.3447145420.

The spelling of 2601565043 in words is "two billion, six hundred one million, five hundred sixty-five thousand, forty-three".