401161706929 has 2 divisors, whose sum is σ = 401161706930. Its totient is φ = 401161706928.

The previous prime is 401161706879. The next prime is 401161706941. The reversal of 401161706929 is 929607161104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212742337600 + 188419369329 = 461240^2 + 434073^2 .

It is a cyclic number.

It is not a de Polignac number, because 401161706929 - 2²⁵ = 401128152497 is a prime.

It is a super-2 number, since 2×401161706929² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401161706999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200580853464 + 200580853465.

It is an arithmetic number, because the mean of its divisors is an integer number (200580853465).

Almost surely, 2^401161706929 is an apocalyptic number.

It is an amenable number.

401161706929 is a deficient number, since it is larger than the sum of its proper divisors (1).

401161706929 is an equidigital number, since it uses as much as digits as its factorization.

401161706929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The spelling of 401161706929 in words is "four hundred one billion, one hundred sixty-one million, seven hundred six thousand, nine hundred twenty-nine".