1380360851 has 2 divisors, whose sum is σ = 1380360852. Its totient is φ = 1380360850.

The previous prime is 1380360833. The next prime is 1380360859. The reversal of 1380360851 is 1580630831.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1380360851 is a prime.

It is not a weakly prime, because it can be changed into another prime (1380360859) 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, 690180425 + 690180426.

It is an arithmetic number, because the mean of its divisors is an integer number (690180426).

Almost surely, 2^1380360851 is an apocalyptic number.

1380360851 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380360851 is an equidigital number, since it uses as much as digits as its factorization.

1380360851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1380360851 is about 37153.2078157459. The cubic root of 1380360851 is about 1113.4333137669.

The spelling of 1380360851 in words is "one billion, three hundred eighty million, three hundred sixty thousand, eight hundred fifty-one".