1057923794547 has 30 divisors (see below), whose sum is σ = 1667909654268. Its totient is φ = 668162378088.

The previous prime is 1057923794533. The next prime is 1057923794611. The reversal of 1057923794547 is 7454973297501.

1057923794547 is a `hidden beast` number, since 1 + 0 + 57 + 9 + 2 + 37 + 9 + 4 + 547 = 666.

It is not a de Polignac number, because 1057923794547 - 2¹⁹ = 1057923270259 is a prime.

It is a super-2 number, since 2×1057923794547² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1057923794747) 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 in 29 ways as a sum of consecutive naturals, for example, 18060493 + ... + 18118974.

Almost surely, 2^{1057923794547} is an apocalyptic number.

1057923794547 is a deficient number, since it is larger than the sum of its proper divisors (609985859721).

1057923794547 is an equidigital number, since it uses as much as digits as its factorization.

1057923794547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36179517 (or 36179489 counting only the distinct ones).

The product of its (nonzero) digits is 66679200, while the sum is 63.

The spelling of 1057923794547 in words is "one trillion, fifty-seven billion, nine hundred twenty-three million, seven hundred ninety-four thousand, five hundred forty-seven".