7044138973 has 2 divisors, whose sum is σ = 7044138974. Its totient is φ = 7044138972.

The previous prime is 7044138961. The next prime is 7044139009. The reversal of 7044138973 is 3798314407.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6511360249 + 532778724 = 80693^2 + 23082^2 .

It is a cyclic number.

It is not a de Polignac number, because 7044138973 - 2⁹ = 7044138461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7044138473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3522069486 + 3522069487.

It is an arithmetic number, because the mean of its divisors is an integer number (3522069487).

Almost surely, 2^7044138973 is an apocalyptic number.

It is an amenable number.

7044138973 is a deficient number, since it is larger than the sum of its proper divisors (1).

7044138973 is an equidigital number, since it uses as much as digits as its factorization.

7044138973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 46.

The square root of 7044138973 is about 83929.3689539008. The cubic root of 7044138973 is about 1916.9434669201.

The spelling of 7044138973 in words is "seven billion, forty-four million, one hundred thirty-eight thousand, nine hundred seventy-three".