2153544518 has 8 divisors (see below), whose sum is σ = 3334520640. Its totient is φ = 1042037640.

The previous prime is 2153544517. The next prime is 2153544529. The reversal of 2153544518 is 8154453512.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153544517) 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, 17367233 + ... + 17367356.

It is an arithmetic number, because the mean of its divisors is an integer number (416815080).

Almost surely, 2^2153544518 is an apocalyptic number.

2153544518 is a deficient number, since it is larger than the sum of its proper divisors (1180976122).

2153544518 is a wasteful number, since it uses less digits than its factorization.

2153544518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34734622.

The product of its digits is 96000, while the sum is 38.

The square root of 2153544518 is about 46406.2982578874. The cubic root of 2153544518 is about 1291.3717591391.

The spelling of 2153544518 in words is "two billion, one hundred fifty-three million, five hundred forty-four thousand, five hundred eighteen".