2642174857 has 16 divisors (see below), whose sum is σ = 3121016832. Its totient is φ = 2188866960.

The previous prime is 2642174839. The next prime is 2642174863. The reversal of 2642174857 is 7584712462.

It is not a de Polignac number, because 2642174857 - 2³¹ = 494691209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2642174807) 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 15 ways as a sum of consecutive naturals, for example, 172098 + ... + 186820.

It is an arithmetic number, because the mean of its divisors is an integer number (195063552).

Almost surely, 2^2642174857 is an apocalyptic number.

It is an amenable number.

2642174857 is a deficient number, since it is larger than the sum of its proper divisors (478841975).

2642174857 is a wasteful number, since it uses less digits than its factorization.

2642174857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15588.

The product of its digits is 752640, while the sum is 46.

The square root of 2642174857 is about 51402.0900061466. The cubic root of 2642174857 is about 1382.4640666376.

The spelling of 2642174857 in words is "two billion, six hundred forty-two million, one hundred seventy-four thousand, eight hundred fifty-seven".