3369778145 has 8 divisors (see below), whose sum is σ = 4153024104. Its totient is φ = 2622962304.

The previous prime is 3369778123. The next prime is 3369778211. The reversal of 3369778145 is 5418779633.

It can be written as a sum of positive squares in 4 ways, for example, as 1021697296 + 2348080849 = 31964^2 + 48457^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3369778145 - 2⁶ = 3369778081 is a prime.

It is a super-2 number, since 2×3369778145² = 22710809493039282050, which contains 22 as substring.

It is a Duffinian number.

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, 9107324 + ... + 9107693.

It is an arithmetic number, because the mean of its divisors is an integer number (519128013).

Almost surely, 2^3369778145 is an apocalyptic number.

It is an amenable number.

3369778145 is a deficient number, since it is larger than the sum of its proper divisors (783245959).

3369778145 is a wasteful number, since it uses less digits than its factorization.

3369778145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18215059.

The product of its digits is 3810240, while the sum is 53.

The square root of 3369778145 is about 58049.7902235658. The cubic root of 3369778145 is about 1499.2259925288.

The spelling of 3369778145 in words is "three billion, three hundred sixty-nine million, seven hundred seventy-eight thousand, one hundred forty-five".