200749505759989 has 2 divisors, whose sum is σ = 200749505759990. Its totient is φ = 200749505759988.

The previous prime is 200749505759983. The next prime is 200749505760017. The reversal of 200749505759989 is 989957505947002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101287779457489 + 99461726302500 = 10064183^2 + 9973050^2 .

It is a cyclic number.

It is not a de Polignac number, because 200749505759989 - 2⁷ = 200749505759861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200749505759983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100374752879994 + 100374752879995.

It is an arithmetic number, because the mean of its divisors is an integer number (100374752879995).

Almost surely, 2^{200749505759989} is an apocalyptic number.

It is an amenable number.

200749505759989 is a deficient number, since it is larger than the sum of its proper divisors (1).

200749505759989 is an equidigital number, since it uses as much as digits as its factorization.

200749505759989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2571912000, while the sum is 79.

The spelling of 200749505759989 in words is "two hundred trillion, seven hundred forty-nine billion, five hundred five million, seven hundred fifty-nine thousand, nine hundred eighty-nine".