481666039 has 2 divisors, whose sum is σ = 481666040. Its totient is φ = 481666038.

The previous prime is 481666001. The next prime is 481666043. The reversal of 481666039 is 930666184.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 481666039 - 2¹⁹ = 481141751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 481665986 and 481666004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481666099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240833019 + 240833020.

It is an arithmetic number, because the mean of its divisors is an integer number (240833020).

Almost surely, 2^481666039 is an apocalyptic number.

481666039 is a deficient number, since it is larger than the sum of its proper divisors (1).

481666039 is an equidigital number, since it uses as much as digits as its factorization.

481666039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 481666039 is about 21946.8913288420. The cubic root of 481666039 is about 783.8783602541.

The spelling of 481666039 in words is "four hundred eighty-one million, six hundred sixty-six thousand, thirty-nine".