2129617375 has 16 divisors (see below), whose sum is σ = 2797647840. Its totient is φ = 1614024000.

The previous prime is 2129617363. The next prime is 2129617379. The reversal of 2129617375 is 5737169212.

It is not a de Polignac number, because 2129617375 - 2¹⁵ = 2129584607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2129617379) 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, 445966 + ... + 450715.

It is an arithmetic number, because the mean of its divisors is an integer number (174852990).

Almost surely, 2^2129617375 is an apocalyptic number.

2129617375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2129617375 is a deficient number, since it is larger than the sum of its proper divisors (668030465).

2129617375 is an equidigital number, since it uses as much as digits as its factorization.

2129617375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896715 (or 896705 counting only the distinct ones).

The product of its digits is 158760, while the sum is 43.

The square root of 2129617375 is about 46147.7775737901. Note that the first 3 decimals coincide. The cubic root of 2129617375 is about 1286.5713037579.

The spelling of 2129617375 in words is "two billion, one hundred twenty-nine million, six hundred seventeen thousand, three hundred seventy-five".