401310310409 has 2 divisors, whose sum is σ = 401310310410. Its totient is φ = 401310310408.

The previous prime is 401310310393. The next prime is 401310310469. The reversal of 401310310409 is 904013013104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 293021929225 + 108288381184 = 541315^2 + 329072^2 .

It is a cyclic number.

It is not a de Polignac number, because 401310310409 - 2⁴ = 401310310393 is a prime.

It is a super-2 number, since 2×401310310409² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401310310469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200655155204 + 200655155205.

It is an arithmetic number, because the mean of its divisors is an integer number (200655155205).

Almost surely, 2^401310310409 is an apocalyptic number.

It is an amenable number.

401310310409 is a deficient number, since it is larger than the sum of its proper divisors (1).

401310310409 is an equidigital number, since it uses as much as digits as its factorization.

401310310409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 401310310409 in words is "four hundred one billion, three hundred ten million, three hundred ten thousand, four hundred nine".