2180623612 has 24 divisors (see below), whose sum is σ = 3834635616. Its totient is φ = 1085027328.

The previous prime is 2180623603. The next prime is 2180623619. The reversal of 2180623612 is 2163260812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2180623619) 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, 869953 + ... + 872455.

It is an arithmetic number, because the mean of its divisors is an integer number (159776484).

Almost surely, 2^2180623612 is an apocalyptic number.

It is an amenable number.

2180623612 is a deficient number, since it is larger than the sum of its proper divisors (1654012004).

2180623612 is a wasteful number, since it uses less digits than its factorization.

2180623612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477 (or 3475 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2180623612 is about 46697.1477929862. The cubic root of 2180623612 is about 1296.7618842045.

The spelling of 2180623612 in words is "two billion, one hundred eighty million, six hundred twenty-three thousand, six hundred twelve".