1049943757 has 2 divisors, whose sum is σ = 1049943758. Its totient is φ = 1049943756.

The previous prime is 1049943737. The next prime is 1049943761. The reversal of 1049943757 is 7573499401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 829094436 + 220849321 = 28794^2 + 14861^2 .

It is a cyclic number.

It is not a de Polignac number, because 1049943757 - 2¹⁵ = 1049910989 is a prime.

It is a super-2 number, since 2×1049943757² = 2204763785726550098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1049943757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1049943737) 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, 524971878 + 524971879.

It is an arithmetic number, because the mean of its divisors is an integer number (524971879).

Almost surely, 2^1049943757 is an apocalyptic number.

It is an amenable number.

1049943757 is a deficient number, since it is larger than the sum of its proper divisors (1).

1049943757 is an equidigital number, since it uses as much as digits as its factorization.

1049943757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 1049943757 is about 32402.8356320863. The cubic root of 1049943757 is about 1016.3782088145.

The spelling of 1049943757 in words is "one billion, forty-nine million, nine hundred forty-three thousand, seven hundred fifty-seven".