4242576857 has 4 divisors (see below), whose sum is σ = 4282227216. Its totient is φ = 4202926500.

The previous prime is 4242576853. The next prime is 4242576869. The reversal of 4242576857 is 7586752424.

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 4242576857 - 2² = 4242576853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4242576853) 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, 19825019 + ... + 19825232.

It is an arithmetic number, because the mean of its divisors is an integer number (1070556804).

Almost surely, 2^4242576857 is an apocalyptic number.

It is an amenable number.

4242576857 is a deficient number, since it is larger than the sum of its proper divisors (39650359).

4242576857 is a wasteful number, since it uses less digits than its factorization.

4242576857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39650358.

The product of its digits is 3763200, while the sum is 50.

The square root of 4242576857 is about 65135.0662623444. The cubic root of 4242576857 is about 1618.8622882369.

The spelling of 4242576857 in words is "four billion, two hundred forty-two million, five hundred seventy-six thousand, eight hundred fifty-seven".