409543227431 has 8 divisors (see below), whose sum is σ = 441168878304. Its totient is φ = 377935051680.

The previous prime is 409543227427. The next prime is 409543227439. The reversal of 409543227431 is 134722345904.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 409543227431 - 2² = 409543227427 is a prime.

It is a super-2 number, since 2×409543227431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409543227439) 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 in 7 ways as a sum of consecutive naturals, for example, 4320080 + ... + 4413861.

It is an arithmetic number, because the mean of its divisors is an integer number (55146109788).

Almost surely, 2^409543227431 is an apocalyptic number.

409543227431 is a deficient number, since it is larger than the sum of its proper divisors (31625650873).

409543227431 is a wasteful number, since it uses less digits than its factorization.

409543227431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8737561.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 409543227431 in words is "four hundred nine billion, five hundred forty-three million, two hundred twenty-seven thousand, four hundred thirty-one".