4074444851893 has 4 divisors (see below), whose sum is σ = 4387863686668. Its totient is φ = 3761026017120.

The previous prime is 4074444851863. The next prime is 4074444851899. The reversal of 4074444851893 is 3981584444704.

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 308582472004 + 3765862379889 = 555502^2 + 1940583^2 .

It is a cyclic number.

It is not a de Polignac number, because 4074444851893 - 2⁵ = 4074444851861 is a prime.

It is a super-2 number, since 2×4074444851893² (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 (4074444851899) 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, 156709417368 + ... + 156709417393.

It is an arithmetic number, because the mean of its divisors is an integer number (1096965921667).

Almost surely, 2^{4074444851893} is an apocalyptic number.

It is an amenable number.

4074444851893 is a deficient number, since it is larger than the sum of its proper divisors (313418834775).

4074444851893 is a wasteful number, since it uses less digits than its factorization.

4074444851893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313418834774.

The product of its (nonzero) digits is 61931520, while the sum is 61.

The spelling of 4074444851893 in words is "four trillion, seventy-four billion, four hundred forty-four million, eight hundred fifty-one thousand, eight hundred ninety-three".