4457742026857 has 4 divisors (see below), whose sum is σ = 5094562316416. Its totient is φ = 3820921737300.

The previous prime is 4457742026827. The next prime is 4457742026939. The reversal of 4457742026857 is 7586202477544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4457742026857 - 2¹⁵ = 4457741994089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4457742026795 and 4457742026804.

It is not an unprimeable number, because it can be changed into a prime (4457742026827) 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 3 ways as a sum of consecutive naturals, for example, 318410144769 + ... + 318410144782.

It is an arithmetic number, because the mean of its divisors is an integer number (1273640579104).

Almost surely, 2^{4457742026857} is an apocalyptic number.

It is an amenable number.

4457742026857 is a deficient number, since it is larger than the sum of its proper divisors (636820289559).

4457742026857 is an equidigital number, since it uses as much as digits as its factorization.

4457742026857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636820289558.

The product of its (nonzero) digits is 105369600, while the sum is 61.

The spelling of 4457742026857 in words is "four trillion, four hundred fifty-seven billion, seven hundred forty-two million, twenty-six thousand, eight hundred fifty-seven".