1944880705353 has 16 divisors (see below), whose sum is σ = 2733876126720. Its totient is φ = 1226447160336.

The previous prime is 1944880705337. The next prime is 1944880705363. The reversal of 1944880705353 is 3535070884491.

It is not a de Polignac number, because 1944880705353 - 2⁴ = 1944880705337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 1944880705293 and 1944880705302.

It is not an unprimeable number, because it can be changed into a prime (1944880705363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26331525 + ... + 26405282.

It is an arithmetic number, because the mean of its divisors is an integer number (170867257920).

Almost surely, 2^{1944880705353} is an apocalyptic number.

It is an amenable number.

1944880705353 is a deficient number, since it is larger than the sum of its proper divisors (788995421367).

1944880705353 is a wasteful number, since it uses less digits than its factorization.

1944880705353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52737476.

The product of its (nonzero) digits is 14515200, while the sum is 57.

The spelling of 1944880705353 in words is "one trillion, nine hundred forty-four billion, eight hundred eighty million, seven hundred five thousand, three hundred fifty-three".