3243781001 has 16 divisors (see below), whose sum is σ = 3350841600. Its totient is φ = 3138715008.

The previous prime is 3243780979. The next prime is 3243781027. The reversal of 3243781001 is 1001873423.

It is a cyclic number.

It is not a de Polignac number, because 3243781001 - 2¹⁰ = 3243779977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3243781091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1849541 + ... + 1851293.

It is an arithmetic number, because the mean of its divisors is an integer number (209427600).

Almost surely, 2^3243781001 is an apocalyptic number.

It is an amenable number.

3243781001 is a deficient number, since it is larger than the sum of its proper divisors (107060599).

3243781001 is a wasteful number, since it uses less digits than its factorization.

3243781001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2288.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 3243781001 is about 56954.2009073958. The cubic root of 3243781001 is about 1480.3026227104.

The spelling of 3243781001 in words is "three billion, two hundred forty-three million, seven hundred eighty-one thousand, one".