3280913945 has 8 divisors (see below), whose sum is σ = 3937426944. Its totient is φ = 2624511024.

The previous prime is 3280913917. The next prime is 3280913969. The reversal of 3280913945 is 5493190823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3280913945 - 2⁸ = 3280913689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3280913896 and 3280913905.

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, 68552 + ... + 106118.

It is an arithmetic number, because the mean of its divisors is an integer number (492178368).

Almost surely, 2^3280913945 is an apocalyptic number.

It is an amenable number.

3280913945 is a deficient number, since it is larger than the sum of its proper divisors (656512999).

3280913945 is a wasteful number, since it uses less digits than its factorization.

3280913945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55039.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 3280913945 is about 57279.2627833145. The cubic root of 3280913945 is about 1485.9297566889.

The spelling of 3280913945 in words is "three billion, two hundred eighty million, nine hundred thirteen thousand, nine hundred forty-five".