3338366781 has 8 divisors (see below), whose sum is σ = 4594741504. Its totient is φ = 2153784960.

The previous prime is 3338366777. The next prime is 3338366827. The reversal of 3338366781 is 1876638333.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3338366781 - 2² = 3338366777 is a prime.

It is a super-2 number, since 2×3338366781² = 22289385528968603922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3338366781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3338366701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17948116 + ... + 17948301.

It is an arithmetic number, because the mean of its divisors is an integer number (574342688).

Almost surely, 2^3338366781 is an apocalyptic number.

3338366781 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3338366781 is a deficient number, since it is larger than the sum of its proper divisors (1256374723).

3338366781 is a wasteful number, since it uses less digits than its factorization.

3338366781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35896451.

The product of its digits is 1306368, while the sum is 48.

The square root of 3338366781 is about 57778.6014109030. The cubic root of 3338366781 is about 1494.5531012482.

The spelling of 3338366781 in words is "three billion, three hundred thirty-eight million, three hundred sixty-six thousand, seven hundred eighty-one".