2672197931 has 4 divisors (see below), whose sum is σ = 2877751632. Its totient is φ = 2466644232.

The previous prime is 2672197873. The next prime is 2672197949. The reversal of 2672197931 is 1397912762.

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

It is a de Polignac number, because none of the positive numbers 2^k-2672197931 is a prime.

It is a super-2 number, since 2×2672197931² = 14281283564881361522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2672197951) 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, 102776831 + ... + 102776856.

It is an arithmetic number, because the mean of its divisors is an integer number (719437908).

Almost surely, 2^2672197931 is an apocalyptic number.

2672197931 is a deficient number, since it is larger than the sum of its proper divisors (205553701).

2672197931 is a wasteful number, since it uses less digits than its factorization.

2672197931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205553700.

The product of its digits is 285768, while the sum is 47.

The square root of 2672197931 is about 51693.3064429042. The cubic root of 2672197931 is about 1387.6806776700.

The spelling of 2672197931 in words is "two billion, six hundred seventy-two million, one hundred ninety-seven thousand, nine hundred thirty-one".