1057744921889 has 8 divisors (see below), whose sum is σ = 1061050249152. Its totient is φ = 1054444654480.

The previous prime is 1057744921853. The next prime is 1057744921913. The reversal of 1057744921889 is 9881294477501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1057744921889 - 2⁸ = 1057744921633 is a prime.

It is a super-2 number, since 2×1057744921889² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057744981889) 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 in 7 ways as a sum of consecutive naturals, for example, 846002 + ... + 1682619.

It is an arithmetic number, because the mean of its divisors is an integer number (132631281144).

Almost surely, 2^{1057744921889} is an apocalyptic number.

It is an amenable number.

1057744921889 is a deficient number, since it is larger than the sum of its proper divisors (3305327263).

1057744921889 is an equidigital number, since it uses as much as digits as its factorization.

1057744921889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529927.

The product of its (nonzero) digits is 40642560, while the sum is 65.

The spelling of 1057744921889 in words is "one trillion, fifty-seven billion, seven hundred forty-four million, nine hundred twenty-one thousand, eight hundred eighty-nine".