2197024769 has 4 divisors (see below), whose sum is σ = 2197148244. Its totient is φ = 2196901296.

The previous prime is 2197024763. The next prime is 2197024771. The reversal of 2197024769 is 9674207912.

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

It can be written as a sum of positive squares in 2 ways, for example, as 817273744 + 1379751025 = 28588^2 + 37145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2197024769 is a prime.

It is a super-2 number, since 2×2197024769² = 9653835671199006722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197024763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29402 + ... + 72515.

It is an arithmetic number, because the mean of its divisors is an integer number (549287061).

Almost surely, 2^2197024769 is an apocalyptic number.

It is an amenable number.

2197024769 is a deficient number, since it is larger than the sum of its proper divisors (123475).

2197024769 is a wasteful number, since it uses less digits than its factorization.

2197024769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123474.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 2197024769 is about 46872.4307989249. The cubic root of 2197024769 is about 1300.0048853860.

The spelling of 2197024769 in words is "two billion, one hundred ninety-seven million, twenty-four thousand, seven hundred sixty-nine".