3361920381 has 54 divisors (see below), whose sum is σ = 5216776110. Its totient is φ = 2083802112.

The previous prime is 3361920379. The next prime is 3361920407. The reversal of 3361920381 is 1830291633.

3361920381 is a `hidden beast` number, since 3 + 3 + 619 + 2 + 0 + 38 + 1 = 666.

It can be written as a sum of positive squares in 9 ways, for example, as 1863225 + 3360057156 = 1365^2 + 57966^2 .

It is not a de Polignac number, because 3361920381 - 2¹ = 3361920379 is a prime.

It is a super-2 number, since 2×3361920381² = 22605017296366370322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3361920301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 34658925 + ... + 34659021.

It is an arithmetic number, because the mean of its divisors is an integer number (96606965).

Almost surely, 2^3361920381 is an apocalyptic number.

It is an amenable number.

3361920381 is a deficient number, since it is larger than the sum of its proper divisors (1854855729).

3361920381 is an equidigital number, since it uses as much as digits as its factorization.

3361920381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 3361920381 is about 57982.0694784172. The cubic root of 3361920381 is about 1498.0597700873.

The spelling of 3361920381 in words is "three billion, three hundred sixty-one million, nine hundred twenty thousand, three hundred eighty-one".