2947389933 has 8 divisors (see below), whose sum is σ = 3932064448. Its totient is φ = 1963821024.

The previous prime is 2947389923. The next prime is 2947389937. The reversal of 2947389933 is 3399837492.

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

It is not a de Polignac number, because 2947389933 - 2⁴ = 2947389917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947389937) 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, 270160 + ... + 280857.

It is an arithmetic number, because the mean of its divisors is an integer number (491508056).

Almost surely, 2^2947389933 is an apocalyptic number.

It is an amenable number.

2947389933 is a deficient number, since it is larger than the sum of its proper divisors (984674515).

2947389933 is a wasteful number, since it uses less digits than its factorization.

2947389933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552803.

The product of its digits is 8817984, while the sum is 57.

The square root of 2947389933 is about 54289.8695246176. The cubic root of 2947389933 is about 1433.7690412126.

The spelling of 2947389933 in words is "two billion, nine hundred forty-seven million, three hundred eighty-nine thousand, nine hundred thirty-three".