2197958673 has 4 divisors (see below), whose sum is σ = 2930611568. Its totient is φ = 1465305780.

The previous prime is 2197958657. The next prime is 2197958689. The reversal of 2197958673 is 3768597912.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2197958657) and next prime (2197958689).

It is not a de Polignac number, because 2197958673 - 2⁴ = 2197958657 is a prime.

It is a super-3 number, since 3×2197958673³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2197918673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366326443 + ... + 366326448.

It is an arithmetic number, because the mean of its divisors is an integer number (732652892).

Almost surely, 2^2197958673 is an apocalyptic number.

It is an amenable number.

2197958673 is a deficient number, since it is larger than the sum of its proper divisors (732652895).

2197958673 is an equidigital number, since it uses as much as digits as its factorization.

2197958673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732652894.

The product of its digits is 5715360, while the sum is 57.

The square root of 2197958673 is about 46882.3919291668. The cubic root of 2197958673 is about 1300.1890598803.

The spelling of 2197958673 in words is "two billion, one hundred ninety-seven million, nine hundred fifty-eight thousand, six hundred seventy-three".