201550013293 has 2 divisors, whose sum is σ = 201550013294. Its totient is φ = 201550013292.

The previous prime is 201550013213. The next prime is 201550013321. The reversal of 201550013293 is 392310055102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 191600549284 + 9949464009 = 437722^2 + 99747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201550013293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201550013213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100775006646 + 100775006647.

It is an arithmetic number, because the mean of its divisors is an integer number (100775006647).

Almost surely, 2^201550013293 is an apocalyptic number.

It is an amenable number.

201550013293 is a deficient number, since it is larger than the sum of its proper divisors (1).

201550013293 is an equidigital number, since it uses as much as digits as its factorization.

201550013293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8100, while the sum is 31.

Adding to 201550013293 its reverse (392310055102), we get a palindrome (593860068395).

The spelling of 201550013293 in words is "two hundred one billion, five hundred fifty million, thirteen thousand, two hundred ninety-three".