1380607873 has 2 divisors, whose sum is σ = 1380607874. Its totient is φ = 1380607872.

The previous prime is 1380607841. The next prime is 1380607889. The reversal of 1380607873 is 3787060831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1204992369 + 175615504 = 34713^2 + 13252^2 .

It is an emirp because it is prime and its reverse (3787060831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1380607873 - 2⁵ = 1380607841 is a prime.

It is not a weakly prime, because it can be changed into another prime (1380607073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690303936 + 690303937.

It is an arithmetic number, because the mean of its divisors is an integer number (690303937).

Almost surely, 2^1380607873 is an apocalyptic number.

It is an amenable number.

1380607873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380607873 is an equidigital number, since it uses as much as digits as its factorization.

1380607873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 1380607873 is about 37156.5320367765. The cubic root of 1380607873 is about 1113.4997278303.

The spelling of 1380607873 in words is "one billion, three hundred eighty million, six hundred seven thousand, eight hundred seventy-three".