3192947389 has 2 divisors, whose sum is σ = 3192947390. Its totient is φ = 3192947388.

The previous prime is 3192947369. The next prime is 3192947431. The reversal of 3192947389 is 9837492913.

3192947389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3184344900 + 8602489 = 56430^2 + 2933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3192947389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3192947369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1596473694 + 1596473695.

It is an arithmetic number, because the mean of its divisors is an integer number (1596473695).

Almost surely, 2^3192947389 is an apocalyptic number.

It is an amenable number.

3192947389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3192947389 is an equidigital number, since it uses as much as digits as its factorization.

3192947389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 55.

The square root of 3192947389 is about 56506.1712470417. The cubic root of 3192947389 is about 1472.5292181184.

The spelling of 3192947389 in words is "three billion, one hundred ninety-two million, nine hundred forty-seven thousand, three hundred eighty-nine".