1944129282393 has 16 divisors (see below), whose sum is σ = 2611338120000. Its totient is φ = 1286505090816.

The previous prime is 1944129282373. The next prime is 1944129282421. The reversal of 1944129282393 is 3932829214491.

It is not a de Polignac number, because 1944129282393 - 2³⁴ = 1926949413209 is a prime.

It is a super-2 number, since 2×1944129282393² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1944129282373) 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, 4278858 + ... + 4711356.

It is an arithmetic number, because the mean of its divisors is an integer number (163208632500).

Almost surely, 2^{1944129282393} is an apocalyptic number.

It is an amenable number.

1944129282393 is a deficient number, since it is larger than the sum of its proper divisors (667208837607).

1944129282393 is a wasteful number, since it uses less digits than its factorization.

1944129282393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443576.

The product of its digits is 6718464, while the sum is 57.

The spelling of 1944129282393 in words is "one trillion, nine hundred forty-four billion, one hundred twenty-nine million, two hundred eighty-two thousand, three hundred ninety-three".