6653400033 has 16 divisors (see below), whose sum is σ = 10158848000. Its totient is φ = 3794317776.

The previous prime is 6653399983. The next prime is 6653400043. The reversal of 6653400033 is 3300043566.

It is not a de Polignac number, because 6653400033 - 2¹⁰ = 6653399009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6653400043) 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, 306985 + ... + 327942.

It is an arithmetic number, because the mean of its divisors is an integer number (634928000).

Almost surely, 2^6653400033 is an apocalyptic number.

It is an amenable number.

6653400033 is a deficient number, since it is larger than the sum of its proper divisors (3505447967).

6653400033 is a wasteful number, since it uses less digits than its factorization.

6653400033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635436.

The product of its (nonzero) digits is 19440, while the sum is 30.

The square root of 6653400033 is about 81568.3764273876. The cubic root of 6653400033 is about 1880.8227906906.

Adding to 6653400033 its reverse (3300043566), we get a palindrome (9953443599).

The spelling of 6653400033 in words is "six billion, six hundred fifty-three million, four hundred thousand, thirty-three".