3366379421 has 4 divisors (see below), whose sum is σ = 3482461500. Its totient is φ = 3250297344.

The previous prime is 3366379417. The next prime is 3366379433. The reversal of 3366379421 is 1249736633.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1249736633 = 1427 ⋅875779.

It can be written as a sum of positive squares in 2 ways, for example, as 2702544196 + 663835225 = 51986^2 + 25765^2 .

It is a cyclic number.

It is not a de Polignac number, because 3366379421 - 2² = 3366379417 is a prime.

It is a super-2 number, since 2×3366379421² = 22665020812264590482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3366379441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58040996 + ... + 58041053.

It is an arithmetic number, because the mean of its divisors is an integer number (870615375).

Almost surely, 2^3366379421 is an apocalyptic number.

It is an amenable number.

3366379421 is a deficient number, since it is larger than the sum of its proper divisors (116082079).

3366379421 is a wasteful number, since it uses less digits than its factorization.

3366379421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116082078.

The product of its digits is 489888, while the sum is 44.

The square root of 3366379421 is about 58020.5086241064. The cubic root of 3366379421 is about 1498.7217882778.

The spelling of 3366379421 in words is "three billion, three hundred sixty-six million, three hundred seventy-nine thousand, four hundred twenty-one".