4442365538781 has 4 divisors (see below), whose sum is σ = 5923154051712. Its totient is φ = 2961577025852.

The previous prime is 4442365538753. The next prime is 4442365538921. The reversal of 4442365538781 is 1878355632444.

4442365538781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4442365538781 - 2⁵ = 4442365538749 is a prime.

It is a super-2 number, since 2×4442365538781² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442365538731) 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, 740394256461 + ... + 740394256466.

It is an arithmetic number, because the mean of its divisors is an integer number (1480788512928).

Almost surely, 2^{4442365538781} is an apocalyptic number.

It is an amenable number.

4442365538781 is a deficient number, since it is larger than the sum of its proper divisors (1480788512931).

4442365538781 is a wasteful number, since it uses less digits than its factorization.

4442365538781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480788512930.

The product of its digits is 77414400, while the sum is 60.

The spelling of 4442365538781 in words is "four trillion, four hundred forty-two billion, three hundred sixty-five million, five hundred thirty-eight thousand, seven hundred eighty-one".