85401210413 has 2 divisors, whose sum is σ = 85401210414. Its totient is φ = 85401210412.

The previous prime is 85401210409. The next prime is 85401210491. The reversal of 85401210413 is 31401210458.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81820025764 + 3581184649 = 286042^2 + 59843^2 .

It is a cyclic number.

It is not a de Polignac number, because 85401210413 - 2² = 85401210409 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85401210113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42700605206 + 42700605207.

It is an arithmetic number, because the mean of its divisors is an integer number (42700605207).

Almost surely, 2^85401210413 is an apocalyptic number.

It is an amenable number.

85401210413 is a deficient number, since it is larger than the sum of its proper divisors (1).

85401210413 is an equidigital number, since it uses as much as digits as its factorization.

85401210413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 85401210413 in words is "eighty-five billion, four hundred one million, two hundred ten thousand, four hundred thirteen".