1377463589 has 2 divisors, whose sum is σ = 1377463590. Its totient is φ = 1377463588.

The previous prime is 1377463561. The next prime is 1377463609. The reversal of 1377463589 is 9853647731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1268428225 + 109035364 = 35615^2 + 10442^2 .

It is an emirp because it is prime and its reverse (9853647731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1377463589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1377463589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1377465589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688731794 + 688731795.

It is an arithmetic number, because the mean of its divisors is an integer number (688731795).

Almost surely, 2^1377463589 is an apocalyptic number.

It is an amenable number.

1377463589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1377463589 is an equidigital number, since it uses as much as digits as its factorization.

1377463589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 53.

The square root of 1377463589 is about 37114.1965964508. The cubic root of 1377463589 is about 1112.6537669711.

The spelling of 1377463589 in words is "one billion, three hundred seventy-seven million, four hundred sixty-three thousand, five hundred eighty-nine".