2481911329 has 2 divisors, whose sum is σ = 2481911330. Its totient is φ = 2481911328.

The previous prime is 2481911293. The next prime is 2481911353. The reversal of 2481911329 is 9231191842.

It is a happy number.

Together with previous prime (2481911293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2477749729 + 4161600 = 49777^2 + 2040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2481911329 - 2¹⁵ = 2481878561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2481911291 and 2481911300.

It is not a weakly prime, because it can be changed into another prime (2481911129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240955664 + 1240955665.

It is an arithmetic number, because the mean of its divisors is an integer number (1240955665).

Almost surely, 2^2481911329 is an apocalyptic number.

It is an amenable number.

2481911329 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481911329 is an equidigital number, since it uses as much as digits as its factorization.

2481911329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 40.

The square root of 2481911329 is about 49818.7849008785. The cubic root of 2481911329 is about 1353.9275345276.

The spelling of 2481911329 in words is "two billion, four hundred eighty-one million, nine hundred eleven thousand, three hundred twenty-nine".