409420324547 has 4 divisors (see below), whose sum is σ = 440914195680. Its totient is φ = 377926453416.

The previous prime is 409420324543. The next prime is 409420324553. The reversal of 409420324547 is 745423024904.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 409420324547 - 2² = 409420324543 is a prime.

It is a super-3 number, since 3×409420324547³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 409420324498 and 409420324507.

It is not an unprimeable number, because it can be changed into a prime (409420324543) 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 3 ways as a sum of consecutive naturals, for example, 15746935547 + ... + 15746935572.

It is an arithmetic number, because the mean of its divisors is an integer number (110228548920).

Almost surely, 2^409420324547 is an apocalyptic number.

409420324547 is a deficient number, since it is larger than the sum of its proper divisors (31493871133).

409420324547 is a wasteful number, since it uses less digits than its factorization.

409420324547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31493871132.

The product of its (nonzero) digits is 967680, while the sum is 44.

The spelling of 409420324547 in words is "four hundred nine billion, four hundred twenty million, three hundred twenty-four thousand, five hundred forty-seven".