489738013 has 2 divisors, whose sum is σ = 489738014. Its totient is φ = 489738012.

The previous prime is 489737953. The next prime is 489738017. The reversal of 489738013 is 310837984.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342916324 + 146821689 = 18518^2 + 12117^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-489738013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (489738017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244869006 + 244869007.

It is an arithmetic number, because the mean of its divisors is an integer number (244869007).

Almost surely, 2^489738013 is an apocalyptic number.

It is an amenable number.

489738013 is a deficient number, since it is larger than the sum of its proper divisors (1).

489738013 is an equidigital number, since it uses as much as digits as its factorization.

489738013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 489738013 is about 22130.0251468452. The cubic root of 489738013 is about 788.2329854030.

The spelling of 489738013 in words is "four hundred eighty-nine million, seven hundred thirty-eight thousand, thirteen".