3253660443 has 24 divisors (see below), whose sum is σ = 5197224240. Its totient is φ = 1944898560.

The previous prime is 3253660409. The next prime is 3253660457. The reversal of 3253660443 is 3440663523.

3253660443 is a `hidden beast` number, since 3 + 2 + 5 + 3 + 6 + 604 + 43 = 666.

It is not a de Polignac number, because 3253660443 - 2⁹ = 3253659931 is a prime.

It is a super-3 number, since 3×3253660443³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3253660398 and 3253660407.

It is not an unprimeable number, because it can be changed into a prime (3253660463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 217878 + ... + 232331.

It is an arithmetic number, because the mean of its divisors is an integer number (216551010).

Almost surely, 2^3253660443 is an apocalyptic number.

3253660443 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3253660443 is a deficient number, since it is larger than the sum of its proper divisors (1943563797).

3253660443 is a wasteful number, since it uses less digits than its factorization.

3253660443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450299 (or 450296 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 36.

The square root of 3253660443 is about 57040.8664292540. The cubic root of 3253660443 is about 1481.8039305811.

The spelling of 3253660443 in words is "three billion, two hundred fifty-three million, six hundred sixty thousand, four hundred forty-three".