2180435338 has 4 divisors (see below), whose sum is σ = 3270653010. Its totient is φ = 1090217668.

The previous prime is 2180435273. The next prime is 2180435339. The reversal of 2180435338 is 8335340812.

2180435338 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 1810757809 + 369677529 = 42553^2 + 19227^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2180435297 and 2180435306.

It is not an unprimeable number, because it can be changed into a prime (2180435339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545108833 + ... + 545108836.

Almost surely, 2^2180435338 is an apocalyptic number.

2180435338 is a deficient number, since it is larger than the sum of its proper divisors (1090217672).

2180435338 is a wasteful number, since it uses less digits than its factorization.

2180435338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090217671.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 2180435338 is about 46695.1318447651. The cubic root of 2180435338 is about 1296.7245625300.

The spelling of 2180435338 in words is "two billion, one hundred eighty million, four hundred thirty-five thousand, three hundred thirty-eight".