1996199741 has 2 divisors, whose sum is σ = 1996199742. Its totient is φ = 1996199740.

The previous prime is 1996199701. The next prime is 1996199743. The reversal of 1996199741 is 1479916991.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1991747641 + 4452100 = 44629^2 + 2110^2 .

It is a cyclic number.

It is not a de Polignac number, because 1996199741 - 2¹⁸ = 1995937597 is a prime.

Together with 1996199743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1996199743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 998099870 + 998099871.

It is an arithmetic number, because the mean of its divisors is an integer number (998099871).

Almost surely, 2^1996199741 is an apocalyptic number.

It is an amenable number.

1996199741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1996199741 is an equidigital number, since it uses as much as digits as its factorization.

1996199741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248, while the sum is 56.

The square root of 1996199741 is about 44678.8511602525. The cubic root of 1996199741 is about 1259.1225395386.

The spelling of 1996199741 in words is "one billion, nine hundred ninety-six million, one hundred ninety-nine thousand, seven hundred forty-one".