3620212418 has 4 divisors (see below), whose sum is σ = 5430318630. Its totient is φ = 1810106208.

The previous prime is 3620212417. The next prime is 3620212429. The reversal of 3620212418 is 8142120263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8142120263 = 509 ⋅15996307.

It can be written as a sum of positive squares in only one way, i.e., 2217185569 + 1403026849 = 47087^2 + 37457^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3620212417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 905053103 + ... + 905053106.

Almost surely, 2^3620212418 is an apocalyptic number.

3620212418 is a deficient number, since it is larger than the sum of its proper divisors (1810106212).

3620212418 is a wasteful number, since it uses less digits than its factorization.

3620212418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810106211.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 3620212418 is about 60168.2010533803. The cubic root of 3620212418 is about 1535.4818404785.

The spelling of 3620212418 in words is "three billion, six hundred twenty million, two hundred twelve thousand, four hundred eighteen".