481873913 has 2 divisors, whose sum is σ = 481873914. Its totient is φ = 481873912.

The previous prime is 481873871. The next prime is 481873927. The reversal of 481873913 is 319378184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475588864 + 6285049 = 21808^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 481873913 - 2¹⁴ = 481857529 is a prime.

It is not a weakly prime, because it can be changed into another prime (481873963) 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, 240936956 + 240936957.

It is an arithmetic number, because the mean of its divisors is an integer number (240936957).

Almost surely, 2^481873913 is an apocalyptic number.

It is an amenable number.

481873913 is a deficient number, since it is larger than the sum of its proper divisors (1).

481873913 is an equidigital number, since it uses as much as digits as its factorization.

481873913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 44.

The square root of 481873913 is about 21951.6266595439. The cubic root of 481873913 is about 783.9911109163.

The spelling of 481873913 in words is "four hundred eighty-one million, eight hundred seventy-three thousand, nine hundred thirteen".