1057738439 has 2 divisors, whose sum is σ = 1057738440. Its totient is φ = 1057738438.

The previous prime is 1057738427. The next prime is 1057738463. The reversal of 1057738439 is 9348377501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1057738439 - 2¹² = 1057734343 is a prime.

It is a super-2 number, since 2×1057738439² = 2237621210676313442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057738393 and 1057738402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1057738039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528869219 + 528869220.

It is an arithmetic number, because the mean of its divisors is an integer number (528869220).

Almost surely, 2^1057738439 is an apocalyptic number.

1057738439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057738439 is an equidigital number, since it uses as much as digits as its factorization.

1057738439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 47.

The square root of 1057738439 is about 32522.8910000326. The cubic root of 1057738439 is about 1018.8871751050.

The spelling of 1057738439 in words is "one billion, fifty-seven million, seven hundred thirty-eight thousand, four hundred thirty-nine".