2153504636 has 24 divisors (see below), whose sum is σ = 3908093280. Its totient is φ = 1037472192.

The previous prime is 2153504557. The next prime is 2153504641. The reversal of 2153504636 is 6364053512.

It is a junction number, because it is equal to n+sod(n) for n = 2153504596 and 2153504605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55391 + ... + 85878.

It is an arithmetic number, because the mean of its divisors is an integer number (162837220).

Almost surely, 2^2153504636 is an apocalyptic number.

It is an amenable number.

2153504636 is a deficient number, since it is larger than the sum of its proper divisors (1754588644).

2153504636 is a wasteful number, since it uses less digits than its factorization.

2153504636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141413 (or 141411 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 2153504636 is about 46405.8685512942. The cubic root of 2153504636 is about 1291.3637873503.

The spelling of 2153504636 in words is "two billion, one hundred fifty-three million, five hundred four thousand, six hundred thirty-six".