3342434021 has 4 divisors (see below), whose sum is σ = 3423956844. Its totient is φ = 3260911200.

The previous prime is 3342434009. The next prime is 3342434057. The reversal of 3342434021 is 1204342433.

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 227677921 + 3114756100 = 15089^2 + 55810^2 .

It is a cyclic number.

It is not a de Polignac number, because 3342434021 - 2¹⁰ = 3342432997 is a prime.

It is a super-2 number, since 2×3342434021² = 22343730369476456882, 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 (3342434321) 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, 40761350 + ... + 40761431.

It is an arithmetic number, because the mean of its divisors is an integer number (855989211).

Almost surely, 2^3342434021 is an apocalyptic number.

It is an amenable number.

3342434021 is a deficient number, since it is larger than the sum of its proper divisors (81522823).

3342434021 is an equidigital number, since it uses as much as digits as its factorization.

3342434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81522822.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 3342434021 is about 57813.7874645832. The cubic root of 3342434021 is about 1495.1598090184.

Adding to 3342434021 its reverse (1204342433), we get a palindrome (4546776454).

The spelling of 3342434021 in words is "three billion, three hundred forty-two million, four hundred thirty-four thousand, twenty-one".