2927938789 has 2 divisors, whose sum is σ = 2927938790. Its totient is φ = 2927938788.

The previous prime is 2927938787. The next prime is 2927938831. The reversal of 2927938789 is 9878397292.

2927938789 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., 1829016289 + 1098922500 = 42767^2 + 33150^2 .

It is a cyclic number.

It is not a de Polignac number, because 2927938789 - 2¹ = 2927938787 is a prime.

Together with 2927938787, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2927938789.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2927938787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1463969394 + 1463969395.

It is an arithmetic number, because the mean of its divisors is an integer number (1463969395).

Almost surely, 2^2927938789 is an apocalyptic number.

It is an amenable number.

2927938789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2927938789 is an equidigital number, since it uses as much as digits as its factorization.

2927938789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27433728, while the sum is 64.

The square root of 2927938789 is about 54110.4314250034. The cubic root of 2927938789 is about 1430.6080497265.

The spelling of 2927938789 in words is "two billion, nine hundred twenty-seven million, nine hundred thirty-eight thousand, seven hundred eighty-nine".