1480631689 has 2 divisors, whose sum is σ = 1480631690. Its totient is φ = 1480631688.

The previous prime is 1480631617. The next prime is 1480631699. The reversal of 1480631689 is 9861360841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1479710089 + 921600 = 38467^2 + 960^2 .

It is an emirp because it is prime and its reverse (9861360841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1480631689 - 2¹¹ = 1480629641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1480631699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740315844 + 740315845.

It is an arithmetic number, because the mean of its divisors is an integer number (740315845).

Almost surely, 2^1480631689 is an apocalyptic number.

It is an amenable number.

1480631689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1480631689 is an equidigital number, since it uses as much as digits as its factorization.

1480631689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 1480631689 is about 38478.9772343289. The cubic root of 1480631689 is about 1139.7659540561.

The spelling of 1480631689 in words is "one billion, four hundred eighty million, six hundred thirty-one thousand, six hundred eighty-nine".