3342615821 has 4 divisors (see below), whose sum is σ = 3359583612. Its totient is φ = 3325648032.

The previous prime is 3342615797. The next prime is 3342615839. The reversal of 3342615821 is 1285162433.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3286155625 + 56460196 = 57325^2 + 7514^2 .

It is a cyclic number.

It is not a de Polignac number, because 3342615821 - 2²² = 3338421517 is a prime.

It is a super-2 number, since 2×3342615821² = 22346161053599008082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3342611821) 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, 8483600 + ... + 8483993.

It is an arithmetic number, because the mean of its divisors is an integer number (839895903).

Almost surely, 2^3342615821 is an apocalyptic number.

It is an amenable number.

3342615821 is a deficient number, since it is larger than the sum of its proper divisors (16967791).

3342615821 is a wasteful number, since it uses less digits than its factorization.

3342615821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16967790.

The product of its digits is 34560, while the sum is 35.

The square root of 3342615821 is about 57815.3597325140. The cubic root of 3342615821 is about 1495.1869165218.

The spelling of 3342615821 in words is "three billion, three hundred forty-two million, six hundred fifteen thousand, eight hundred twenty-one".