201949763 has 2 divisors, whose sum is σ = 201949764. Its totient is φ = 201949762.

The previous prime is 201949751. The next prime is 201949793. The reversal of 201949763 is 367949102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201949763 - 2¹⁴ = 201933379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201949763.

It is not a weakly prime, because it can be changed into another prime (201949793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100974881 + 100974882.

It is an arithmetic number, because the mean of its divisors is an integer number (100974882).

Almost surely, 2^201949763 is an apocalyptic number.

201949763 is a deficient number, since it is larger than the sum of its proper divisors (1).

201949763 is an equidigital number, since it uses as much as digits as its factorization.

201949763 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 201949763 is about 14210.9029621625. The cubic root of 201949763 is about 586.6977859196.

The spelling of 201949763 in words is "two hundred one million, nine hundred forty-nine thousand, seven hundred sixty-three".