481013909 has 2 divisors, whose sum is σ = 481013910. Its totient is φ = 481013908.

The previous prime is 481013893. The next prime is 481013921. The reversal of 481013909 is 909310184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397803025 + 83210884 = 19945^2 + 9122^2 .

It is a cyclic number.

It is not a de Polignac number, because 481013909 - 2⁴ = 481013893 is a prime.

It is a super-3 number, since 3×481013909³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481013959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240506954 + 240506955.

It is an arithmetic number, because the mean of its divisors is an integer number (240506955).

Almost surely, 2^481013909 is an apocalyptic number.

It is an amenable number.

481013909 is a deficient number, since it is larger than the sum of its proper divisors (1).

481013909 is an equidigital number, since it uses as much as digits as its factorization.

481013909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 481013909 is about 21932.0292950744. The cubic root of 481013909 is about 783.5244349003.

The spelling of 481013909 in words is "four hundred eighty-one million, thirteen thousand, nine hundred nine".