4427875451849 has 4 divisors (see below), whose sum is σ = 4428060301764. Its totient is φ = 4427690601936.

The previous prime is 4427875451801. The next prime is 4427875451869. The reversal of 4427875451849 is 9481545787244.

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 3228105736249 + 1199769715600 = 1796693^2 + 1095340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4427875451849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4427875451869) 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, 92389022 + ... + 92436935.

It is an arithmetic number, because the mean of its divisors is an integer number (1107015075441).

Almost surely, 2^{4427875451849} is an apocalyptic number.

It is an amenable number.

4427875451849 is a deficient number, since it is larger than the sum of its proper divisors (184849915).

4427875451849 is a wasteful number, since it uses less digits than its factorization.

4427875451849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184849914.

The product of its digits is 361267200, while the sum is 68.

The spelling of 4427875451849 in words is "four trillion, four hundred twenty-seven billion, eight hundred seventy-five million, four hundred fifty-one thousand, eight hundred forty-nine".