3280021743 has 16 divisors (see below), whose sum is σ = 4710721536. Its totient is φ = 2024135520.

The previous prime is 3280021721. The next prime is 3280021747. The reversal of 3280021743 is 3471200823.

It is not a de Polignac number, because 3280021743 - 2⁵ = 3280021711 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3280021743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3280021747) 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, 764580 + ... + 768857.

It is an arithmetic number, because the mean of its divisors is an integer number (294420096).

Almost surely, 2^3280021743 is an apocalyptic number.

3280021743 is a deficient number, since it is larger than the sum of its proper divisors (1430699793).

3280021743 is a wasteful number, since it uses less digits than its factorization.

3280021743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533494.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 3280021743 is about 57271.4740774148. The cubic root of 3280021743 is about 1485.7950513685.

The spelling of 3280021743 in words is "three billion, two hundred eighty million, twenty-one thousand, seven hundred forty-three".