489551734747 has 2 divisors, whose sum is σ = 489551734748. Its totient is φ = 489551734746.

The previous prime is 489551734717. The next prime is 489551734751. The reversal of 489551734747 is 747437155984.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 489551734747 - 2⁷ = 489551734619 is a prime.

It is not a weakly prime, because it can be changed into another prime (489551734717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244775867373 + 244775867374.

It is an arithmetic number, because the mean of its divisors is an integer number (244775867374).

Almost surely, 2^489551734747 is an apocalyptic number.

489551734747 is a deficient number, since it is larger than the sum of its proper divisors (1).

489551734747 is an equidigital number, since it uses as much as digits as its factorization.

489551734747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 118540800, while the sum is 64.

The spelling of 489551734747 in words is "four hundred eighty-nine billion, five hundred fifty-one million, seven hundred thirty-four thousand, seven hundred forty-seven".