1387482673 has 2 divisors, whose sum is σ = 1387482674. Its totient is φ = 1387482672.

The previous prime is 1387482661. The next prime is 1387482703. The reversal of 1387482673 is 3762847831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1387413504 + 69169 = 37248^2 + 263^2 .

It is a cyclic number.

It is not a de Polignac number, because 1387482673 - 2¹⁷ = 1387351601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1387482653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693741336 + 693741337.

It is an arithmetic number, because the mean of its divisors is an integer number (693741337).

Almost surely, 2^1387482673 is an apocalyptic number.

It is an amenable number.

1387482673 is a deficient number, since it is larger than the sum of its proper divisors (1).

1387482673 is an equidigital number, since it uses as much as digits as its factorization.

1387482673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The square root of 1387482673 is about 37248.9284812329. The cubic root of 1387482673 is about 1115.3449094169.

The spelling of 1387482673 in words is "one billion, three hundred eighty-seven million, four hundred eighty-two thousand, six hundred seventy-three".