2169378056275 has 48 divisors (see below), whose sum is σ = 2751569920000. Its totient is φ = 1696270792320.

The previous prime is 2169378056239. The next prime is 2169378056297. The reversal of 2169378056275 is 5726508739612.

It is a happy number.

It is not a de Polignac number, because 2169378056275 - 2⁹ = 2169378055763 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 275332786 + ... + 275340664.

Almost surely, 2^{2169378056275} is an apocalyptic number.

2169378056275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2169378056275 is a deficient number, since it is larger than the sum of its proper divisors (582191863725).

2169378056275 is a wasteful number, since it uses less digits than its factorization.

2169378056275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9356 (or 9351 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 61.

The spelling of 2169378056275 in words is "two trillion, one hundred sixty-nine billion, three hundred seventy-eight million, fifty-six thousand, two hundred seventy-five".