1380424427 has 2 divisors, whose sum is σ = 1380424428. Its totient is φ = 1380424426.

The previous prime is 1380424403. The next prime is 1380424459. The reversal of 1380424427 is 7244240831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1380424427 - 2¹⁶ = 1380358891 is a prime.

It is not a weakly prime, because it can be changed into another prime (1380424027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690212213 + 690212214.

It is an arithmetic number, because the mean of its divisors is an integer number (690212214).

Almost surely, 2^1380424427 is an apocalyptic number.

1380424427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380424427 is an equidigital number, since it uses as much as digits as its factorization.

1380424427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 35.

The square root of 1380424427 is about 37154.0633982341. The cubic root of 1380424427 is about 1113.4504074976.

The spelling of 1380424427 in words is "one billion, three hundred eighty million, four hundred twenty-four thousand, four hundred twenty-seven".