3338394491378 has 16 divisors (see below), whose sum is σ = 5026010168736. Its totient is φ = 1663059468000.

The previous prime is 3338394491371. The next prime is 3338394491431. The reversal of 3338394491378 is 8731944938333.

3338394491378 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3338394491378² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3338394491371) 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, 3541325 + ... + 4383807.

It is an arithmetic number, because the mean of its divisors is an integer number (314125635546).

Almost surely, 2^{3338394491378} is an apocalyptic number.

3338394491378 is a deficient number, since it is larger than the sum of its proper divisors (1687615677358).

3338394491378 is a wasteful number, since it uses less digits than its factorization.

3338394491378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849769.

The product of its digits is 141087744, while the sum is 65.

The spelling of 3338394491378 in words is "three trillion, three hundred thirty-eight billion, three hundred ninety-four million, four hundred ninety-one thousand, three hundred seventy-eight".