2978829673 has 2 divisors, whose sum is σ = 2978829674. Its totient is φ = 2978829672.

The previous prime is 2978829661. The next prime is 2978829677. The reversal of 2978829673 is 3769288792.

2978829673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2613561129 + 365268544 = 51123^2 + 19112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2978829673 is a prime.

It is not a weakly prime, because it can be changed into another prime (2978829677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1489414836 + 1489414837.

It is an arithmetic number, because the mean of its divisors is an integer number (1489414837).

Almost surely, 2^2978829673 is an apocalyptic number.

It is an amenable number.

2978829673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2978829673 is an equidigital number, since it uses as much as digits as its factorization.

2978829673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18289152, while the sum is 61.

The square root of 2978829673 is about 54578.6558372410. The cubic root of 2978829673 is about 1438.8490148425.

The spelling of 2978829673 in words is "two billion, nine hundred seventy-eight million, eight hundred twenty-nine thousand, six hundred seventy-three".