1996894373 has 2 divisors, whose sum is σ = 1996894374. Its totient is φ = 1996894372.

The previous prime is 1996894337. The next prime is 1996894399. The reversal of 1996894373 is 3734986991.

Together with previous prime (1996894337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1302993409 + 693900964 = 36097^2 + 26342^2 .

It is an emirp because it is prime and its reverse (3734986991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1996894373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996834373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998447186 + 998447187.

It is an arithmetic number, because the mean of its divisors is an integer number (998447187).

Almost surely, 2^1996894373 is an apocalyptic number.

It is an amenable number.

1996894373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996894373 is an equidigital number, since it uses as much as digits as its factorization.

1996894373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8817984, while the sum is 59.

The square root of 1996894373 is about 44686.6240949123. The cubic root of 1996894373 is about 1259.2685712473.

The spelling of 1996894373 in words is "one billion, nine hundred ninety-six million, eight hundred ninety-four thousand, three hundred seventy-three".