1386590089 has 2 divisors, whose sum is σ = 1386590090. Its totient is φ = 1386590088.

The previous prime is 1386590063. The next prime is 1386590119. The reversal of 1386590089 is 9800956831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 773284864 + 613305225 = 27808^2 + 24765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1386590089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1386590039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693295044 + 693295045.

It is an arithmetic number, because the mean of its divisors is an integer number (693295045).

Almost surely, 2^1386590089 is an apocalyptic number.

It is an amenable number.

1386590089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386590089 is an equidigital number, since it uses as much as digits as its factorization.

1386590089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 1386590089 is about 37236.9452157397. The cubic root of 1386590089 is about 1115.1056865910.

The spelling of 1386590089 in words is "one billion, three hundred eighty-six million, five hundred ninety thousand, eighty-nine".