2183517372 has 12 divisors (see below), whose sum is σ = 5094873896. Its totient is φ = 727839120.

The previous prime is 2183517341. The next prime is 2183517377. The reversal of 2183517372 is 2737153812.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2183517372² = 9535496227651572768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2183517372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2183517377) 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, 90979879 + ... + 90979902.

Almost surely, 2^2183517372 is an apocalyptic number.

It is an amenable number.

2183517372 is an abundant number, since it is smaller than the sum of its proper divisors (2911356524).

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

2183517372 is a wasteful number, since it uses less digits than its factorization.

2183517372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181959788 (or 181959786 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 2183517372 is about 46728.1218539757. The cubic root of 2183517372 is about 1297.3352460273.

The spelling of 2183517372 in words is "two billion, one hundred eighty-three million, five hundred seventeen thousand, three hundred seventy-two".