3393778145 has 8 divisors (see below), whose sum is σ = 4075292520. Its totient is φ = 2713183360.

The previous prime is 3393778109. The next prime is 3393778159. The reversal of 3393778145 is 5418773933.

It can be written as a sum of positive squares in 4 ways, for example, as 880961761 + 2512816384 = 29681^2 + 50128^2 .

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

It is not a de Polignac number, because 3393778145 - 2⁸ = 3393777889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3393778093 and 3393778102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221750 + ... + 236559.

It is an arithmetic number, because the mean of its divisors is an integer number (509411565).

Almost surely, 2^3393778145 is an apocalyptic number.

It is an amenable number.

3393778145 is a deficient number, since it is larger than the sum of its proper divisors (681514375).

3393778145 is a wasteful number, since it uses less digits than its factorization.

3393778145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459795.

The product of its digits is 1905120, while the sum is 50.

The square root of 3393778145 is about 58256.1425516657. The cubic root of 3393778145 is about 1502.7768038092.

The spelling of 3393778145 in words is "three billion, three hundred ninety-three million, seven hundred seventy-eight thousand, one hundred forty-five".