2175073384969 has 9 divisors (see below), whose sum is σ = 2222407008397. Its totient is φ = 2128727386444.

The previous prime is 2175073384951. The next prime is 2175073384999. The reversal of 2175073384969 is 9694833705712.

The square root of 2175073384969 is 1474813.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2175073384969 - 2⁵ = 2175073384937 is a prime.

It is a super-2 number, since 2×2175073384969² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2175073384969.

It is not an unprimeable number, because it can be changed into a prime (2175073384999) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 69300522 + ... + 69331900.

It is a 1-persistent number, because it is pandigital, but 2⋅2175073384969 = 4350146769938 is not.

Almost surely, 2^{2175073384969} is an apocalyptic number.

2175073384969 is the 1474813-rd square number.

2175073384969 is the 737407-th centered octagonal number.

It is an amenable number.

2175073384969 is a deficient number, since it is larger than the sum of its proper divisors (47333623428).

2175073384969 is an frugal number, since it uses more digits than its factorization.

2175073384969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62852 (or 31426 counting only the distinct ones).

The product of its (nonzero) digits is 68584320, while the sum is 64.

Multiplying 2175073384969 by its sum of digits (64), we get a square (139204696638016 = 11798504²).

The spelling of 2175073384969 in words is "two trillion, one hundred seventy-five billion, seventy-three million, three hundred eighty-four thousand, nine hundred sixty-nine".