3342021561 has 12 divisors (see below), whose sum is σ = 4945105620. Its totient is φ = 2173672320.

The previous prime is 3342021539. The next prime is 3342021589. The reversal of 3342021561 is 1651202433.

It can be written as a sum of positive squares in 2 ways, for example, as 117939600 + 3224081961 = 10860^2 + 56781^2 .

It is not a de Polignac number, because 3342021561 - 2⁶ = 3342021497 is a prime.

It is a super-2 number, since 2×3342021561² = 22338216228377753442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3342021461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4528116 + ... + 4528853.

It is an arithmetic number, because the mean of its divisors is an integer number (412092135).

Almost surely, 2^3342021561 is an apocalyptic number.

It is an amenable number.

3342021561 is a deficient number, since it is larger than the sum of its proper divisors (1603084059).

3342021561 is a wasteful number, since it uses less digits than its factorization.

3342021561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9057016 (or 9057013 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3342021561 is about 57810.2202123465. The cubic root of 3342021561 is about 1495.0983050386.

Adding to 3342021561 its reverse (1651202433), we get a palindrome (4993223994).

The spelling of 3342021561 in words is "three billion, three hundred forty-two million, twenty-one thousand, five hundred sixty-one".