201140400323449 has 2 divisors, whose sum is σ = 201140400323450. Its totient is φ = 201140400323448.

The previous prime is 201140400323377. The next prime is 201140400323477. The reversal of 201140400323449 is 944323004041102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126200958566400 + 74939441757049 = 11233920^2 + 8656757^2 .

It is a cyclic number.

It is not a de Polignac number, because 201140400323449 - 2¹⁹ = 201140399799161 is a prime.

It is not a weakly prime, because it can be changed into another prime (201140400321449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100570200161724 + 100570200161725.

It is an arithmetic number, because the mean of its divisors is an integer number (100570200161725).

Almost surely, 2^{201140400323449} is an apocalyptic number.

It is an amenable number.

201140400323449 is a deficient number, since it is larger than the sum of its proper divisors (1).

201140400323449 is an equidigital number, since it uses as much as digits as its factorization.

201140400323449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 201140400323449 in words is "two hundred one trillion, one hundred forty billion, four hundred million, three hundred twenty-three thousand, four hundred forty-nine".