2153306406 has 16 divisors (see below), whose sum is σ = 4355002800. Its totient is φ = 709703808.

The previous prime is 2153306387. The next prime is 2153306431. The reversal of 2153306406 is 6046033512.

It is a Curzon number.

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, 2015671 + ... + 2016738.

It is an arithmetic number, because the mean of its divisors is an integer number (272187675).

Almost surely, 2^2153306406 is an apocalyptic number.

2153306406 is an abundant number, since it is smaller than the sum of its proper divisors (2201696394).

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

2153306406 is a wasteful number, since it uses less digits than its factorization.

2153306406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4032503.

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

The square root of 2153306406 is about 46403.7326731374. The cubic root of 2153306406 is about 1291.3241628092.

Adding to 2153306406 its reverse (6046033512), we get a palindrome (8199339918).

The spelling of 2153306406 in words is "two billion, one hundred fifty-three million, three hundred six thousand, four hundred six".