3313855945 has 4 divisors (see below), whose sum is σ = 3976627140. Its totient is φ = 2651084752.

The previous prime is 3313855943. The next prime is 3313855973. The reversal of 3313855945 is 5495583133.

3313855945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5495583133 = 41 ⋅134038613.

It can be written as a sum of positive squares in 2 ways, for example, as 1940931136 + 1372924809 = 44056^2 + 37053^2 .

It is a cyclic number.

It is not a de Polignac number, because 3313855945 - 2¹ = 3313855943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3313855895 and 3313855904.

It is not an unprimeable number, because it can be changed into a prime (3313855943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331385590 + ... + 331385599.

It is an arithmetic number, because the mean of its divisors is an integer number (994156785).

Almost surely, 2^3313855945 is an apocalyptic number.

It is an amenable number.

3313855945 is a deficient number, since it is larger than the sum of its proper divisors (662771195).

3313855945 is an equidigital number, since it uses as much as digits as its factorization.

3313855945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662771194.

The product of its digits is 972000, while the sum is 46.

The square root of 3313855945 is about 57566.1006582867. The cubic root of 3313855945 is about 1490.8863613514.

The spelling of 3313855945 in words is "three billion, three hundred thirteen million, eight hundred fifty-five thousand, nine hundred forty-five".