489556497043 has 2 divisors, whose sum is σ = 489556497044. Its totient is φ = 489556497042.

The previous prime is 489556496987. The next prime is 489556497161. The reversal of 489556497043 is 340794655984.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 489556497043 - 2²¹ = 489554399891 is a prime.

It is not a weakly prime, because it can be changed into another prime (489556497643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244778248521 + 244778248522.

It is an arithmetic number, because the mean of its divisors is an integer number (244778248522).

Almost surely, 2^489556497043 is an apocalyptic number.

489556497043 is a deficient number, since it is larger than the sum of its proper divisors (1).

489556497043 is an equidigital number, since it uses as much as digits as its factorization.

489556497043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 130636800, while the sum is 64.

The spelling of 489556497043 in words is "four hundred eighty-nine billion, five hundred fifty-six million, four hundred ninety-seven thousand, forty-three".