1487384641 has 2 divisors, whose sum is σ = 1487384642. Its totient is φ = 1487384640.

The previous prime is 1487384629. The next prime is 1487384669. The reversal of 1487384641 is 1464837841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1460386225 + 26998416 = 38215^2 + 5196^2 .

It is a cyclic number.

It is not a de Polignac number, because 1487384641 - 2¹⁷ = 1487253569 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1487384591 and 1487384600.

It is not a weakly prime, because it can be changed into another prime (1487384671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 743692320 + 743692321.

It is an arithmetic number, because the mean of its divisors is an integer number (743692321).

Almost surely, 2^1487384641 is an apocalyptic number.

It is an amenable number.

1487384641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1487384641 is an equidigital number, since it uses as much as digits as its factorization.

1487384641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 46.

The square root of 1487384641 is about 38566.6259996905. The cubic root of 1487384641 is about 1141.4960969131.

The spelling of 1487384641 in words is "one billion, four hundred eighty-seven million, three hundred eighty-four thousand, six hundred forty-one".