201996763049 has 2 divisors, whose sum is σ = 201996763050. Its totient is φ = 201996763048.

The previous prime is 201996763019. The next prime is 201996763091. The reversal of 201996763049 is 940367699102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103020457024 + 98976306025 = 320968^2 + 314605^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201996763049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201996762985 and 201996763003.

It is not a weakly prime, because it can be changed into another prime (201996763019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100998381524 + 100998381525.

It is an arithmetic number, because the mean of its divisors is an integer number (100998381525).

Almost surely, 2^201996763049 is an apocalyptic number.

It is an amenable number.

201996763049 is a deficient number, since it is larger than the sum of its proper divisors (1).

201996763049 is an equidigital number, since it uses as much as digits as its factorization.

201996763049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4408992, while the sum is 56.

The spelling of 201996763049 in words is "two hundred one billion, nine hundred ninety-six million, seven hundred sixty-three thousand, forty-nine".