3384042521 has 4 divisors (see below), whose sum is σ = 3394718052. Its totient is φ = 3373366992.

The previous prime is 3384042517. The next prime is 3384042523. The reversal of 3384042521 is 1252404833.

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 445210000 + 2938832521 = 21100^2 + 54211^2 .

It is a cyclic number.

It is not a de Polignac number, because 3384042521 - 2² = 3384042517 is a prime.

It is a super-2 number, since 2×3384042521² = 22903487567872070882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3384042523) 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, 5337290 + ... + 5337923.

It is an arithmetic number, because the mean of its divisors is an integer number (848679513).

Almost surely, 2^3384042521 is an apocalyptic number.

It is an amenable number.

3384042521 is a deficient number, since it is larger than the sum of its proper divisors (10675531).

3384042521 is a wasteful number, since it uses less digits than its factorization.

3384042521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10675530.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 3384042521 is about 58172.5237633713. The cubic root of 3384042521 is about 1501.3384381078.

The spelling of 3384042521 in words is "three billion, three hundred eighty-four million, forty-two thousand, five hundred twenty-one".