41401023409 has 2 divisors, whose sum is σ = 41401023410. Its totient is φ = 41401023408.

The previous prime is 41401023403. The next prime is 41401023437. The reversal of 41401023409 is 90432010414.

It is an a-pointer prime, because the next prime (41401023437) can be obtained adding 41401023409 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38611071009 + 2789952400 = 196497^2 + 52820^2 .

It is a cyclic number.

It is not a de Polignac number, because 41401023409 - 2¹⁹ = 41400499121 is a prime.

It is not a weakly prime, because it can be changed into another prime (41401023403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20700511704 + 20700511705.

It is an arithmetic number, because the mean of its divisors is an integer number (20700511705).

Almost surely, 2^41401023409 is an apocalyptic number.

It is an amenable number.

41401023409 is a deficient number, since it is larger than the sum of its proper divisors (1).

41401023409 is an equidigital number, since it uses as much as digits as its factorization.

41401023409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 41401023409 in words is "forty-one billion, four hundred one million, twenty-three thousand, four hundred nine".