401243430213337 has 2 divisors, whose sum is σ = 401243430213338. Its totient is φ = 401243430213336.

The previous prime is 401243430213289. The next prime is 401243430213359. The reversal of 401243430213337 is 733312034342104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401082170945296 + 161259268041 = 20027036^2 + 401571^2 .

It is a cyclic number.

It is not a de Polignac number, because 401243430213337 - 2¹¹ = 401243430211289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401243430213337.

It is not a weakly prime, because it can be changed into another prime (401243430213737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200621715106668 + 200621715106669.

It is an arithmetic number, because the mean of its divisors is an integer number (200621715106669).

Almost surely, 2^{401243430213337} is an apocalyptic number.

It is an amenable number.

401243430213337 is a deficient number, since it is larger than the sum of its proper divisors (1).

401243430213337 is an equidigital number, since it uses as much as digits as its factorization.

401243430213337 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 40.

The spelling of 401243430213337 in words is "four hundred one trillion, two hundred forty-three billion, four hundred thirty million, two hundred thirteen thousand, three hundred thirty-seven".