2481911239 has 2 divisors, whose sum is σ = 2481911240. Its totient is φ = 2481911238.

The previous prime is 2481911231. The next prime is 2481911251. The reversal of 2481911239 is 9321191842.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2481911239 - 2³ = 2481911231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2481911231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240955619 + 1240955620.

It is an arithmetic number, because the mean of its divisors is an integer number (1240955620).

Almost surely, 2^2481911239 is an apocalyptic number.

2481911239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481911239 is an equidigital number, since it uses as much as digits as its factorization.

2481911239 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2481911239 is about 49818.7839976048. The cubic root of 2481911239 is about 1353.9275181620.

The spelling of 2481911239 in words is "two billion, four hundred eighty-one million, nine hundred eleven thousand, two hundred thirty-nine".