1480556489 has 2 divisors, whose sum is σ = 1480556490. Its totient is φ = 1480556488.

The previous prime is 1480556479. The next prime is 1480556491. The reversal of 1480556489 is 9846550841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1479710089 + 846400 = 38467^2 + 920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1480556489 is a prime.

Together with 1480556491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1480556449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740278244 + 740278245.

It is an arithmetic number, because the mean of its divisors is an integer number (740278245).

Almost surely, 2^1480556489 is an apocalyptic number.

It is an amenable number.

1480556489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1480556489 is an equidigital number, since it uses as much as digits as its factorization.

1480556489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382400, while the sum is 50.

The square root of 1480556489 is about 38478.0000649722. Note that the first 4 decimals coincide. The cubic root of 1480556489 is about 1139.7466578211.

The spelling of 1480556489 in words is "one billion, four hundred eighty million, five hundred fifty-six thousand, four hundred eighty-nine".