2481782939 has 2 divisors, whose sum is σ = 2481782940. Its totient is φ = 2481782938.

The previous prime is 2481782887. The next prime is 2481782977. The reversal of 2481782939 is 9392871842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2481782939 - 2²⁰ = 2480734363 is a prime.

It is a super-2 number, since 2×2481782939² = 12318493112622955442, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2481782339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1240891469 + 1240891470.

It is an arithmetic number, because the mean of its divisors is an integer number (1240891470).

Almost surely, 2^2481782939 is an apocalyptic number.

2481782939 is a deficient number, since it is larger than the sum of its proper divisors (1).

2481782939 is an equidigital number, since it uses as much as digits as its factorization.

2481782939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 53.

The square root of 2481782939 is about 49817.4963140461. The cubic root of 2481782939 is about 1353.9041877690.

The spelling of 2481782939 in words is "two billion, four hundred eighty-one million, seven hundred eighty-two thousand, nine hundred thirty-nine".