481310989 has 2 divisors, whose sum is σ = 481310990. Its totient is φ = 481310988.

The previous prime is 481310971. The next prime is 481311007. The reversal of 481310989 is 989013184.

It is a balanced prime because it is at equal distance from previous prime (481310971) and next prime (481311007).

It can be written as a sum of positive squares in only one way, i.e., 308178025 + 173132964 = 17555^2 + 13158^2 .

It is a cyclic number.

It is not a de Polignac number, because 481310989 - 2¹⁵ = 481278221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (481310939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 240655494 + 240655495.

It is an arithmetic number, because the mean of its divisors is an integer number (240655495).

Almost surely, 2^481310989 is an apocalyptic number.

It is an amenable number.

481310989 is a deficient number, since it is larger than the sum of its proper divisors (1).

481310989 is an equidigital number, since it uses as much as digits as its factorization.

481310989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 481310989 is about 21938.8009927617. The cubic root of 481310989 is about 783.6857064219.

The spelling of 481310989 in words is "four hundred eighty-one million, three hundred ten thousand, nine hundred eighty-nine".