44139765049141 has 4 divisors (see below), whose sum is σ = 44420910049612. Its totient is φ = 43858620048672.

The previous prime is 44139765049139. The next prime is 44139765049153. The reversal of 44139765049141 is 14194056793144.

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 8764974724900 + 35374790324241 = 2960570^2 + 5947671^2 .

It is a cyclic number.

It is not a de Polignac number, because 44139765049141 - 2¹ = 44139765049139 is a prime.

It is a super-2 number, since 2×44139765049141² (a number of 28 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 (44139765049741) 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, 140572500000 + ... + 140572500313.

It is an arithmetic number, because the mean of its divisors is an integer number (11105227512403).

Almost surely, 2^{44139765049141} is an apocalyptic number.

It is an amenable number.

44139765049141 is a deficient number, since it is larger than the sum of its proper divisors (281145000471).

44139765049141 is a wasteful number, since it uses less digits than its factorization.

44139765049141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281145000470.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 44139765049141 in words is "forty-four trillion, one hundred thirty-nine billion, seven hundred sixty-five million, forty-nine thousand, one hundred forty-one".