201001140409 has 2 divisors, whose sum is σ = 201001140410. Its totient is φ = 201001140408.

The previous prime is 201001140259. The next prime is 201001140413. The reversal of 201001140409 is 904041100102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113771290000 + 87229850409 = 337300^2 + 295347^2 .

It is a cyclic number.

It is not a de Polignac number, because 201001140409 - 2¹³ = 201001132217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 201001140409.

It is not a weakly prime, because it can be changed into another prime (201001141409) 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, 100500570204 + 100500570205.

It is an arithmetic number, because the mean of its divisors is an integer number (100500570205).

Almost surely, 2^201001140409 is an apocalyptic number.

It is an amenable number.

201001140409 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001140409 is an equidigital number, since it uses as much as digits as its factorization.

201001140409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 201001140409 in words is "two hundred one billion, one million, one hundred forty thousand, four hundred nine".