2193671604 has 24 divisors (see below), whose sum is σ = 5149973920. Its totient is φ = 726737184.

The previous prime is 2193671603. The next prime is 2193671629. The reversal of 2193671604 is 4061763912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2193671603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558799 + ... + 562710.

Almost surely, 2^2193671604 is an apocalyptic number.

It is an amenable number.

2193671604 is an abundant number, since it is smaller than the sum of its proper divisors (2956302316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2193671604 is a wasteful number, since it uses less digits than its factorization.

2193671604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121679 (or 1121677 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 2193671604 is about 46836.6480867280. The cubic root of 2193671604 is about 1299.3431798370.

The spelling of 2193671604 in words is "two billion, one hundred ninety-three million, six hundred seventy-one thousand, six hundred four".