3278146993 has 8 divisors (see below), whose sum is σ = 3578715360. Its totient is φ = 2978004480.

The previous prime is 3278146933. The next prime is 3278146997. The reversal of 3278146993 is 3996418723.

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

It is not a de Polignac number, because 3278146993 - 2²¹ = 3276049841 is a prime.

It is a super-3 number, since 3×3278146993³ (a number of 30 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3278146993.

It is not an unprimeable number, because it can be changed into a prime (3278146997) 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, 90255 + ... + 121252.

It is an arithmetic number, because the mean of its divisors is an integer number (447339420).

Almost surely, 2^3278146993 is an apocalyptic number.

It is an amenable number.

3278146993 is a deficient number, since it is larger than the sum of its proper divisors (300568367).

3278146993 is a wasteful number, since it uses less digits than its factorization.

3278146993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212927.

The product of its digits is 1959552, while the sum is 52.

The square root of 3278146993 is about 57255.1045147941. The cubic root of 3278146993 is about 1485.5119206092.

The spelling of 3278146993 in words is "three billion, two hundred seventy-eight million, one hundred forty-six thousand, nine hundred ninety-three".