2164323393250 has 32 divisors (see below), whose sum is σ = 4051733736960. Its totient is φ = 865703642800.

The previous prime is 2164323393227. The next prime is 2164323393251. The reversal of 2164323393250 is 523933234612.

It is a junction number, because it is equal to n+sod(n) for n = 2164323393197 and 2164323393206.

It is not an unprimeable number, because it can be changed into a prime (2164323393251) 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, 9851097 + ... + 10068403.

It is an arithmetic number, because the mean of its divisors is an integer number (126616679280).

Almost surely, 2^{2164323393250} is an apocalyptic number.

2164323393250 is a deficient number, since it is larger than the sum of its proper divisors (1887410343710).

2164323393250 is a wasteful number, since it uses less digits than its factorization.

2164323393250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257163 (or 257153 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 43.

The spelling of 2164323393250 in words is "two trillion, one hundred sixty-four billion, three hundred twenty-three million, three hundred ninety-three thousand, two hundred fifty".