481791329 has 2 divisors, whose sum is σ = 481791330. Its totient is φ = 481791328.

The previous prime is 481791301. The next prime is 481791347. The reversal of 481791329 is 923197184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 287133025 + 194658304 = 16945^2 + 13952^2 .

It is a cyclic number.

It is not a de Polignac number, because 481791329 - 2⁸ = 481791073 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 481791329.

It is not a weakly prime, because it can be changed into another prime (481791389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240895664 + 240895665.

It is an arithmetic number, because the mean of its divisors is an integer number (240895665).

Almost surely, 2^481791329 is an apocalyptic number.

It is an amenable number.

481791329 is a deficient number, since it is larger than the sum of its proper divisors (1).

481791329 is an equidigital number, since it uses as much as digits as its factorization.

481791329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The square root of 481791329 is about 21949.7455338325. The cubic root of 481791329 is about 783.9463213153.

The spelling of 481791329 in words is "four hundred eighty-one million, seven hundred ninety-one thousand, three hundred twenty-nine".