3367874821 has 2 divisors, whose sum is σ = 3367874822. Its totient is φ = 3367874820.

The previous prime is 3367874819. The next prime is 3367874827. The reversal of 3367874821 is 1284787633.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1961249796 + 1406625025 = 44286^2 + 37505^2 .

It is a cyclic number.

It is not a de Polignac number, because 3367874821 - 2¹ = 3367874819 is a prime.

It is a super-2 number, since 2×3367874821² = 22685161619851564082, which contains 22 as substring.

Together with 3367874819, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3367874827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1683937410 + 1683937411.

It is an arithmetic number, because the mean of its divisors is an integer number (1683937411).

Almost surely, 2^3367874821 is an apocalyptic number.

It is an amenable number.

3367874821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3367874821 is an equidigital number, since it uses as much as digits as its factorization.

3367874821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 49.

The square root of 3367874821 is about 58033.3940158595. The cubic root of 3367874821 is about 1498.9436742178.

The spelling of 3367874821 in words is "three billion, three hundred sixty-seven million, eight hundred seventy-four thousand, eight hundred twenty-one".