2144377773730 has 16 divisors (see below), whose sum is σ = 3860129923704. Its totient is φ = 857695569280.

The previous prime is 2144377773719. The next prime is 2144377773907. The reversal of 2144377773730 is 373777734412.

It can be written as a sum of positive squares in 4 ways, for example, as 1689264280089 + 455113493641 = 1299717^2 + 674621^2 .

It is a super-2 number, since 2×2144377773730² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6780187 + ... + 7089406.

Almost surely, 2^{2144377773730} is an apocalyptic number.

2144377773730 is a deficient number, since it is larger than the sum of its proper divisors (1715752149974).

2144377773730 is a wasteful number, since it uses less digits than its factorization.

2144377773730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13885061.

The product of its (nonzero) digits is 14521248, while the sum is 55.

The spelling of 2144377773730 in words is "two trillion, one hundred forty-four billion, three hundred seventy-seven million, seven hundred seventy-three thousand, seven hundred thirty".