4594428257861 has 4 divisors (see below), whose sum is σ = 4947845816172. Its totient is φ = 4241010699552.

The previous prime is 4594428257827. The next prime is 4594428257899. The reversal of 4594428257861 is 1687528244954.

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

It can be written as a sum of positive squares in 2 ways, for example, as 955799522500 + 3638628735361 = 977650^2 + 1907519^2 .

It is a cyclic number.

It is not a de Polignac number, because 4594428257861 - 2²⁶ = 4594361148997 is a prime.

It is a super-2 number, since 2×4594428257861² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4594428257821) 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, 176708779136 + ... + 176708779161.

It is an arithmetic number, because the mean of its divisors is an integer number (1236961454043).

Almost surely, 2^{4594428257861} is an apocalyptic number.

It is an amenable number.

4594428257861 is a deficient number, since it is larger than the sum of its proper divisors (353417558311).

4594428257861 is a wasteful number, since it uses less digits than its factorization.

4594428257861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353417558310.

The product of its digits is 154828800, while the sum is 65.

The spelling of 4594428257861 in words is "four trillion, five hundred ninety-four billion, four hundred twenty-eight million, two hundred fifty-seven thousand, eight hundred sixty-one".