489734131 has 2 divisors, whose sum is σ = 489734132. Its totient is φ = 489734130.

The previous prime is 489734117. The next prime is 489734143. The reversal of 489734131 is 131437984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489734131 - 2¹¹ = 489732083 is a prime.

It is a super-2 number, since 2×489734131² = 479679038132650322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (489734111) 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, 244867065 + 244867066.

It is an arithmetic number, because the mean of its divisors is an integer number (244867066).

Almost surely, 2^489734131 is an apocalyptic number.

489734131 is a deficient number, since it is larger than the sum of its proper divisors (1).

489734131 is an equidigital number, since it uses as much as digits as its factorization.

489734131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 489734131 is about 22129.9374377787. The cubic root of 489734131 is about 788.2309027054.

The spelling of 489734131 in words is "four hundred eighty-nine million, seven hundred thirty-four thousand, one hundred thirty-one".