1386201589 has 2 divisors, whose sum is σ = 1386201590. Its totient is φ = 1386201588.

The previous prime is 1386201581. The next prime is 1386201617. The reversal of 1386201589 is 9851026831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1298160900 + 88040689 = 36030^2 + 9383^2 .

It is an emirp because it is prime and its reverse (9851026831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1386201589 - 2³ = 1386201581 is a prime.

It is a super-2 number, since 2×1386201589² = 3843109690692249842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1386201581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693100794 + 693100795.

It is an arithmetic number, because the mean of its divisors is an integer number (693100795).

Almost surely, 2^1386201589 is an apocalyptic number.

It is an amenable number.

1386201589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1386201589 is an equidigital number, since it uses as much as digits as its factorization.

1386201589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 1386201589 is about 37231.7282569585. The cubic root of 1386201589 is about 1115.0015320349.

The spelling of 1386201589 in words is "one billion, three hundred eighty-six million, two hundred one thousand, five hundred eighty-nine".