2153636004 has 48 divisors (see below), whose sum is σ = 5647001472. Its totient is φ = 633844992.

The previous prime is 2153636003. The next prime is 2153636011. The reversal of 2153636004 is 4006363512.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2153636003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296529 + ... + 303704.

It is an arithmetic number, because the mean of its divisors is an integer number (117645864).

Almost surely, 2^2153636004 is an apocalyptic number.

It is an amenable number.

2153636004 is an abundant number, since it is smaller than the sum of its proper divisors (3493365468).

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

2153636004 is a wasteful number, since it uses less digits than its factorization.

2153636004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600276 (or 600274 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 2153636004 is about 46407.2839541381. The cubic root of 2153636004 is about 1291.3900453897.

Adding to 2153636004 its reverse (4006363512), we get a palindrome (6159999516).

The spelling of 2153636004 in words is "two billion, one hundred fifty-three million, six hundred thirty-six thousand, four".