1996972463753 has 2 divisors, whose sum is σ = 1996972463754. Its totient is φ = 1996972463752.

The previous prime is 1996972463729. The next prime is 1996972463771. The reversal of 1996972463753 is 3573642796991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1675906306624 + 321066157129 = 1294568^2 + 566627^2 .

It is a cyclic number.

It is not a de Polignac number, because 1996972463753 - 2²² = 1996968269449 is a prime.

It is not a weakly prime, because it can be changed into another prime (1996972463723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998486231876 + 998486231877.

It is an arithmetic number, because the mean of its divisors is an integer number (998486231877).

Almost surely, 2^{1996972463753} is an apocalyptic number.

It is an amenable number.

1996972463753 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996972463753 is an equidigital number, since it uses as much as digits as its factorization.

1996972463753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 462944160, while the sum is 71.

The spelling of 1996972463753 in words is "one trillion, nine hundred ninety-six billion, nine hundred seventy-two million, four hundred sixty-three thousand, seven hundred fifty-three".