1996705973 has 2 divisors, whose sum is σ = 1996705974. Its totient is φ = 1996705972.

The previous prime is 1996705951. The next prime is 1996705979. The reversal of 1996705973 is 3795076991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1143657124 + 853048849 = 33818^2 + 29207^2 .

It is a cyclic number.

It is not a de Polignac number, because 1996705973 - 2⁸ = 1996705717 is a prime.

It is a super-2 number, since 2×1996705973² = 7973669485227753458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996705979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998352986 + 998352987.

It is an arithmetic number, because the mean of its divisors is an integer number (998352987).

Almost surely, 2^1996705973 is an apocalyptic number.

It is an amenable number.

1996705973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996705973 is an equidigital number, since it uses as much as digits as its factorization.

1996705973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3214890, while the sum is 56.

The square root of 1996705973 is about 44684.5160318426. The cubic root of 1996705973 is about 1259.2289674733.

The spelling of 1996705973 in words is "one billion, nine hundred ninety-six million, seven hundred five thousand, nine hundred seventy-three".