3368799981 has 6 divisors (see below), whose sum is σ = 4866044430. Its totient is φ = 2245866648.

The previous prime is 3368799979. The next prime is 3368799983. The reversal of 3368799981 is 1899978633.

It is an interprime number because it is at equal distance from previous prime (3368799979) and next prime (3368799983).

It can be written as a sum of positive squares in only one way, i.e., 2859575625 + 509224356 = 53475^2 + 22566^2 .

It is not a de Polignac number, because 3368799981 - 2¹ = 3368799979 is a prime.

It is a super-2 number, since 2×3368799981² = 22697626623971200722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3368799983) 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 5 ways as a sum of consecutive naturals, for example, 187155546 + ... + 187155563.

It is an arithmetic number, because the mean of its divisors is an integer number (811007405).

Almost surely, 2^3368799981 is an apocalyptic number.

It is an amenable number.

3368799981 is a deficient number, since it is larger than the sum of its proper divisors (1497244449).

3368799981 is a wasteful number, since it uses less digits than its factorization.

3368799981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374311115 (or 374311112 counting only the distinct ones).

The product of its digits is 17635968, while the sum is 63.

The square root of 3368799981 is about 58041.3643964371. The cubic root of 3368799981 is about 1499.0809156376.

The spelling of 3368799981 in words is "three billion, three hundred sixty-eight million, seven hundred ninety-nine thousand, nine hundred eighty-one".