3394453778 has 16 divisors (see below), whose sum is σ = 5504521920. Its totient is φ = 1564441776.

The previous prime is 3394453771. The next prime is 3394453813. The reversal of 3394453778 is 8773544933.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3394453771) 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, 1205726 + ... + 1208537.

It is an arithmetic number, because the mean of its divisors is an integer number (344032620).

Almost surely, 2^3394453778 is an apocalyptic number.

3394453778 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

3394453778 is a deficient number, since it is larger than the sum of its proper divisors (2110068142).

3394453778 is a wasteful number, since it uses less digits than its factorization.

3394453778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414321.

The product of its digits is 7620480, while the sum is 53.

The square root of 3394453778 is about 58261.9410764866. The cubic root of 3394453778 is about 1502.8765214088.

The spelling of 3394453778 in words is "three billion, three hundred ninety-four million, four hundred fifty-three thousand, seven hundred seventy-eight".