2857428731603 has 4 divisors (see below), whose sum is σ = 2897674206768. Its totient is φ = 2817183256440.

The previous prime is 2857428731569. The next prime is 2857428731611. The reversal of 2857428731603 is 3061378247582.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2857428731603 - 2⁶ = 2857428731539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2857428731623) 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, 20122737476 + ... + 20122737617.

It is an arithmetic number, because the mean of its divisors is an integer number (724418551692).

Almost surely, 2^{2857428731603} is an apocalyptic number.

2857428731603 is a deficient number, since it is larger than the sum of its proper divisors (40245475165).

2857428731603 is an equidigital number, since it uses as much as digits as its factorization.

2857428731603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40245475164.

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 2857428731603 in words is "two trillion, eight hundred fifty-seven billion, four hundred twenty-eight million, seven hundred thirty-one thousand, six hundred three".