2193726873 has 32 divisors (see below), whose sum is σ = 3259432960. Its totient is φ = 1303283520.

The previous prime is 2193726859. The next prime is 2193726883. The reversal of 2193726873 is 3786273912.

It is a de Polignac number, because none of the positive numbers 2^k-2193726873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2193726883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 557808 + ... + 561726.

It is an arithmetic number, because the mean of its divisors is an integer number (101857280).

Almost surely, 2^2193726873 is an apocalyptic number.

It is an amenable number.

2193726873 is a deficient number, since it is larger than the sum of its proper divisors (1065706087).

2193726873 is a wasteful number, since it uses less digits than its factorization.

2193726873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4429.

The product of its digits is 762048, while the sum is 48.

The square root of 2193726873 is about 46837.2381017498. The cubic root of 2193726873 is about 1299.3540919527.

The spelling of 2193726873 in words is "two billion, one hundred ninety-three million, seven hundred twenty-six thousand, eight hundred seventy-three".