2175144346994 has 4 divisors (see below), whose sum is σ = 3262716520494. Its totient is φ = 1087572173496.

The previous prime is 2175144346957. The next prime is 2175144347021. The reversal of 2175144346994 is 4996434415712.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1637921314969 + 537223032025 = 1279813^2 + 732955^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543786086747 + ... + 543786086750.

Almost surely, 2^{2175144346994} is an apocalyptic number.

2175144346994 is a deficient number, since it is larger than the sum of its proper divisors (1087572173500).

2175144346994 is a wasteful number, since it uses less digits than its factorization.

2175144346994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087572173499.

The product of its digits is 26127360, while the sum is 59.

The spelling of 2175144346994 in words is "two trillion, one hundred seventy-five billion, one hundred forty-four million, three hundred forty-six thousand, nine hundred ninety-four".