3321042644 has 6 divisors (see below), whose sum is σ = 5811824634. Its totient is φ = 1660521320.

The previous prime is 3321042643. The next prime is 3321042653. The reversal of 3321042644 is 4462401233.

It can be written as a sum of positive squares in only one way, i.e., 2765497744 + 555544900 = 52588^2 + 23570^2 .

It is a super-3 number, since 3×3321042644³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321042643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415130327 + ... + 415130334.

It is an arithmetic number, because the mean of its divisors is an integer number (968637439).

Almost surely, 2^3321042644 is an apocalyptic number.

It is an amenable number.

3321042644 is a deficient number, since it is larger than the sum of its proper divisors (2490781990).

3321042644 is a wasteful number, since it uses less digits than its factorization.

3321042644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830260665 (or 830260663 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 3321042644 is about 57628.4881287025. The cubic root of 3321042644 is about 1491.9633358824.

Adding to 3321042644 its reverse (4462401233), we get a palindrome (7783443877).

The spelling of 3321042644 in words is "three billion, three hundred twenty-one million, forty-two thousand, six hundred forty-four".