1380516859 has 2 divisors, whose sum is σ = 1380516860. Its totient is φ = 1380516858.

The previous prime is 1380516847. The next prime is 1380516911. The reversal of 1380516859 is 9586150831.

It is a weak prime.

It is an emirp because it is prime and its reverse (9586150831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1380516859 - 2²⁵ = 1346962427 is a prime.

It is a super-3 number, since 3×1380516859³ (a number of 28 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1380516259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690258429 + 690258430.

It is an arithmetic number, because the mean of its divisors is an integer number (690258430).

Almost surely, 2^1380516859 is an apocalyptic number.

1380516859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380516859 is an equidigital number, since it uses as much as digits as its factorization.

1380516859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 46.

The square root of 1380516859 is about 37155.3072790416. The cubic root of 1380516859 is about 1113.4752588281.

The spelling of 1380516859 in words is "one billion, three hundred eighty million, five hundred sixteen thousand, eight hundred fifty-nine".