203432791297 has 2 divisors, whose sum is σ = 203432791298. Its totient is φ = 203432791296.

The previous prime is 203432791283. The next prime is 203432791319. The reversal of 203432791297 is 792197234302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200188235776 + 3244555521 = 447424^2 + 56961^2 .

It is a cyclic number.

It is not a de Polignac number, because 203432791297 - 2¹¹ = 203432789249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 203432791297.

It is not a weakly prime, because it can be changed into another prime (203432798297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101716395648 + 101716395649.

It is an arithmetic number, because the mean of its divisors is an integer number (101716395649).

Almost surely, 2^203432791297 is an apocalyptic number.

It is an amenable number.

203432791297 is a deficient number, since it is larger than the sum of its proper divisors (1).

203432791297 is an equidigital number, since it uses as much as digits as its factorization.

203432791297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 49.

The spelling of 203432791297 in words is "two hundred three billion, four hundred thirty-two million, seven hundred ninety-one thousand, two hundred ninety-seven".