401043325013 has 2 divisors, whose sum is σ = 401043325014. Its totient is φ = 401043325012.

The previous prime is 401043325009. The next prime is 401043325073. The reversal of 401043325013 is 310523340104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 384452081764 + 16591243249 = 620042^2 + 128807^2 .

It is a cyclic number.

It is not a de Polignac number, because 401043325013 - 2² = 401043325009 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401043325073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200521662506 + 200521662507.

It is an arithmetic number, because the mean of its divisors is an integer number (200521662507).

Almost surely, 2^401043325013 is an apocalyptic number.

It is an amenable number.

401043325013 is a deficient number, since it is larger than the sum of its proper divisors (1).

401043325013 is an equidigital number, since it uses as much as digits as its factorization.

401043325013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 401043325013 its reverse (310523340104), we get a palindrome (711566665117).

The spelling of 401043325013 in words is "four hundred one billion, forty-three million, three hundred twenty-five thousand, thirteen".