201213053369 has 2 divisors, whose sum is σ = 201213053370. Its totient is φ = 201213053368.

The previous prime is 201213053339. The next prime is 201213053389. The reversal of 201213053369 is 963350312102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188020233769 + 13192819600 = 433613^2 + 114860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201213053369 is a prime.

It is a super-2 number, since 2×201213053369² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (201213053339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100606526684 + 100606526685.

It is an arithmetic number, because the mean of its divisors is an integer number (100606526685).

Almost surely, 2^201213053369 is an apocalyptic number.

It is an amenable number.

201213053369 is a deficient number, since it is larger than the sum of its proper divisors (1).

201213053369 is an equidigital number, since it uses as much as digits as its factorization.

201213053369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29160, while the sum is 35.

The spelling of 201213053369 in words is "two hundred one billion, two hundred thirteen million, fifty-three thousand, three hundred sixty-nine".