1057844959 has 4 divisors (see below), whose sum is σ = 1058274504. Its totient is φ = 1057415416.

The previous prime is 1057844951. The next prime is 1057844987. The reversal of 1057844959 is 9594487501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9594487501 = 37 ⋅259310473.

It is a cyclic number.

It is not a de Polignac number, because 1057844959 - 2³ = 1057844951 is a prime.

It is a super-2 number, since 2×1057844959² = 2238071914563423362, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057844951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211057 + ... + 216010.

It is an arithmetic number, because the mean of its divisors is an integer number (264568626).

Almost surely, 2^1057844959 is an apocalyptic number.

1057844959 is a deficient number, since it is larger than the sum of its proper divisors (429545).

1057844959 is an equidigital number, since it uses as much as digits as its factorization.

1057844959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429544.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The square root of 1057844959 is about 32524.5285746004. The cubic root of 1057844959 is about 1018.9213764459.

The spelling of 1057844959 in words is "one billion, fifty-seven million, eight hundred forty-four thousand, nine hundred fifty-nine".