481129109 has 2 divisors, whose sum is σ = 481129110. Its totient is φ = 481129108.

The previous prime is 481129097. The next prime is 481129127. The reversal of 481129109 is 901921184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 480574084 + 555025 = 21922^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 481129109 - 2⁸ = 481128853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481129199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240564554 + 240564555.

It is an arithmetic number, because the mean of its divisors is an integer number (240564555).

Almost surely, 2^481129109 is an apocalyptic number.

It is an amenable number.

481129109 is a deficient number, since it is larger than the sum of its proper divisors (1).

481129109 is an equidigital number, since it uses as much as digits as its factorization.

481129109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 481129109 is about 21934.6554338107. The cubic root of 481129109 is about 783.5869797376.

The spelling of 481129109 in words is "four hundred eighty-one million, one hundred twenty-nine thousand, one hundred nine".