4078944973 has 2 divisors, whose sum is σ = 4078944974. Its totient is φ = 4078944972.

The previous prime is 4078944971. The next prime is 4078945037. The reversal of 4078944973 is 3794498704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3566239524 + 512705449 = 59718^2 + 22643^2 .

It is a cyclic number.

It is not a de Polignac number, because 4078944973 - 2¹ = 4078944971 is a prime.

Together with 4078944971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4078944971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039472486 + 2039472487.

It is an arithmetic number, because the mean of its divisors is an integer number (2039472487).

Almost surely, 2^4078944973 is an apocalyptic number.

It is an amenable number.

4078944973 is a deficient number, since it is larger than the sum of its proper divisors (1).

4078944973 is an equidigital number, since it uses as much as digits as its factorization.

4078944973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The square root of 4078944973 is about 63866.6186125428. The cubic root of 4078944973 is about 1597.7762039984.

The spelling of 4078944973 in words is "four billion, seventy-eight million, nine hundred forty-four thousand, nine hundred seventy-three".