401422041003989 has 2 divisors, whose sum is σ = 401422041003990. Its totient is φ = 401422041003988.

The previous prime is 401422041003889. The next prime is 401422041004003. The reversal of 401422041003989 is 989300140224104.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247302106608964 + 154119934395025 = 15725842^2 + 12414505^2 .

It is a cyclic number.

It is not a de Polignac number, because 401422041003989 - 2³² = 401417746036693 is a prime.

It is a super-2 number, since 2×401422041003989² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401422041003889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200711020501994 + 200711020501995.

It is an arithmetic number, because the mean of its divisors is an integer number (200711020501995).

Almost surely, 2^{401422041003989} is an apocalyptic number.

It is an amenable number.

401422041003989 is a deficient number, since it is larger than the sum of its proper divisors (1).

401422041003989 is an equidigital number, since it uses as much as digits as its factorization.

401422041003989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 47.

The spelling of 401422041003989 in words is "four hundred one trillion, four hundred twenty-two billion, forty-one million, three thousand, nine hundred eighty-nine".