481544926189 has 2 divisors, whose sum is σ = 481544926190. Its totient is φ = 481544926188.

The previous prime is 481544926171. The next prime is 481544926231. The reversal of 481544926189 is 981629445184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380494052964 + 101050873225 = 616842^2 + 317885^2 .

It is a cyclic number.

It is not a de Polignac number, because 481544926189 - 2⁵ = 481544926157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481544926129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240772463094 + 240772463095.

It is an arithmetic number, because the mean of its divisors is an integer number (240772463095).

Almost surely, 2^481544926189 is an apocalyptic number.

It is an amenable number.

481544926189 is a deficient number, since it is larger than the sum of its proper divisors (1).

481544926189 is an equidigital number, since it uses as much as digits as its factorization.

481544926189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19906560, while the sum is 61.

The spelling of 481544926189 in words is "four hundred eighty-one billion, five hundred forty-four million, nine hundred twenty-six thousand, one hundred eighty-nine".