1389073627 has 2 divisors, whose sum is σ = 1389073628. Its totient is φ = 1389073626.

The previous prime is 1389073597. The next prime is 1389073633. The reversal of 1389073627 is 7263709831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1389073627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1389073657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694536813 + 694536814.

It is an arithmetic number, because the mean of its divisors is an integer number (694536814).

Almost surely, 2^1389073627 is an apocalyptic number.

1389073627 is a deficient number, since it is larger than the sum of its proper divisors (1).

1389073627 is an equidigital number, since it uses as much as digits as its factorization.

1389073627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 1389073627 is about 37270.2780644309. The cubic root of 1389073627 is about 1115.7710491887.

The spelling of 1389073627 in words is "one billion, three hundred eighty-nine million, seventy-three thousand, six hundred twenty-seven".