6118581473 has 2 divisors, whose sum is σ = 6118581474. Its totient is φ = 6118581472.

The previous prime is 6118581461. The next prime is 6118581527. The reversal of 6118581473 is 3741858116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5789231569 + 329349904 = 76087^2 + 18148^2 .

It is a cyclic number.

It is not a de Polignac number, because 6118581473 - 2³⁰ = 5044839649 is a prime.

It is not a weakly prime, because it can be changed into another prime (6118581373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3059290736 + 3059290737.

It is an arithmetic number, because the mean of its divisors is an integer number (3059290737).

Almost surely, 2^6118581473 is an apocalyptic number.

It is an amenable number.

6118581473 is a deficient number, since it is larger than the sum of its proper divisors (1).

6118581473 is an equidigital number, since it uses as much as digits as its factorization.

6118581473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 44.

The square root of 6118581473 is about 78221.3619991368. The cubic root of 6118581473 is about 1829.0135200022.

The spelling of 6118581473 in words is "six billion, one hundred eighteen million, five hundred eighty-one thousand, four hundred seventy-three".