401095729 has 2 divisors, whose sum is σ = 401095730. Its totient is φ = 401095728.

The previous prime is 401095727. The next prime is 401095733. The reversal of 401095729 is 927590104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374809600 + 26286129 = 19360^2 + 5127^2 .

It is a cyclic number.

It is not a de Polignac number, because 401095729 - 2¹ = 401095727 is a prime.

Together with 401095727, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (401095727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200547864 + 200547865.

It is an arithmetic number, because the mean of its divisors is an integer number (200547865).

Almost surely, 2^401095729 is an apocalyptic number.

It is an amenable number.

401095729 is a deficient number, since it is larger than the sum of its proper divisors (1).

401095729 is an equidigital number, since it uses as much as digits as its factorization.

401095729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 401095729 is about 20027.3744909312. The cubic root of 401095729 is about 737.4784696961.

The spelling of 401095729 in words is "four hundred one million, ninety-five thousand, seven hundred twenty-nine".