1057950689 has 2 divisors, whose sum is σ = 1057950690. Its totient is φ = 1057950688.

The previous prime is 1057950679. The next prime is 1057950737. The reversal of 1057950689 is 9860597501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 901500625 + 156450064 = 30025^2 + 12508^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057950689 is a prime.

It is a super-2 number, since 2×1057950689² = 2238519320711149442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1057950679) 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, 528975344 + 528975345.

It is an arithmetic number, because the mean of its divisors is an integer number (528975345).

Almost surely, 2^1057950689 is an apocalyptic number.

It is an amenable number.

1057950689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057950689 is an equidigital number, since it uses as much as digits as its factorization.

1057950689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 50.

The square root of 1057950689 is about 32526.1539226512. The cubic root of 1057950689 is about 1018.9553218639.

The spelling of 1057950689 in words is "one billion, fifty-seven million, nine hundred fifty thousand, six hundred eighty-nine".