2197343975 has 36 divisors (see below), whose sum is σ = 2843583624. Its totient is φ = 1683008640.

The previous prime is 2197343969. The next prime is 2197343983. The reversal of 2197343975 is 5793437912.

It is not a de Polignac number, because 2197343975 - 2¹⁶ = 2197278439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14747201 + ... + 14747349.

It is an arithmetic number, because the mean of its divisors is an integer number (78988434).

Almost surely, 2^2197343975 is an apocalyptic number.

2197343975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2197343975 is a deficient number, since it is larger than the sum of its proper divisors (646239649).

2197343975 is a wasteful number, since it uses less digits than its factorization.

2197343975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 298 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 50.

The square root of 2197343975 is about 46875.8357258833. The cubic root of 2197343975 is about 1300.0678416272.

The spelling of 2197343975 in words is "two billion, one hundred ninety-seven million, three hundred forty-three thousand, nine hundred seventy-five".