409739351042 has 8 divisors (see below), whose sum is σ = 702410316096. Its totient is φ = 175602579012.

The previous prime is 409739351029. The next prime is 409739351053. The reversal of 409739351042 is 240153937904.

It is a happy number.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14633548238 + ... + 14633548265.

It is an arithmetic number, because the mean of its divisors is an integer number (87801289512).

Almost surely, 2^409739351042 is an apocalyptic number.

409739351042 is a deficient number, since it is larger than the sum of its proper divisors (292670965054).

409739351042 is a wasteful number, since it uses less digits than its factorization.

409739351042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29267096512.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 409739351042 in words is "four hundred nine billion, seven hundred thirty-nine million, three hundred fifty-one thousand, forty-two".