2153675418 has 8 divisors (see below), whose sum is σ = 4307350848. Its totient is φ = 717891804.

The previous prime is 2153675417. The next prime is 2153675423. The reversal of 2153675418 is 8145763512.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2153675418 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2153675418.

It is not an unprimeable number, because it can be changed into a prime (2153675417) 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, 179472946 + ... + 179472957.

It is an arithmetic number, because the mean of its divisors is an integer number (538418856).

Almost surely, 2^2153675418 is an apocalyptic number.

2153675418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2153675418 is a wasteful number, since it uses less digits than its factorization.

2153675418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358945908.

The product of its digits is 201600, while the sum is 42.

The square root of 2153675418 is about 46407.7086053600. The cubic root of 2153675418 is about 1291.3979233128.

The spelling of 2153675418 in words is "two billion, one hundred fifty-three million, six hundred seventy-five thousand, four hundred eighteen".