44143921049383 has 16 divisors (see below), whose sum is σ = 49678331339520. Its totient is φ = 38978382992256.

The previous prime is 44143921049369. The next prime is 44143921049411. The reversal of 44143921049383 is 38394012934144.

It is not a de Polignac number, because 44143921049383 - 2²⁵ = 44143887494951 is a prime.

It is a super-2 number, since 2×44143921049383² (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 (44143921049353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663405985 + ... + 663472522.

It is an arithmetic number, because the mean of its divisors is an integer number (3104895708720).

Almost surely, 2^{44143921049383} is an apocalyptic number.

44143921049383 is a deficient number, since it is larger than the sum of its proper divisors (5534410290137).

44143921049383 is a wasteful number, since it uses less digits than its factorization.

44143921049383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326878646.

The product of its (nonzero) digits is 8957952, while the sum is 55.

The spelling of 44143921049383 in words is "forty-four trillion, one hundred forty-three billion, nine hundred twenty-one million, forty-nine thousand, three hundred eighty-three".