409739480493 has 8 divisors (see below), whose sum is σ = 624364922688. Its totient is φ = 234136845984.

The previous prime is 409739480471. The next prime is 409739480567. The reversal of 409739480493 is 394084937904.

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

It is not a de Polignac number, because 409739480493 - 2¹³ = 409739472301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409739484493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9755701896 + ... + 9755701937.

It is an arithmetic number, because the mean of its divisors is an integer number (78045615336).

Almost surely, 2^409739480493 is an apocalyptic number.

It is an amenable number.

409739480493 is a deficient number, since it is larger than the sum of its proper divisors (214625442195).

409739480493 is a wasteful number, since it uses less digits than its factorization.

409739480493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19511403843.

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 409739480493 in words is "four hundred nine billion, seven hundred thirty-nine million, four hundred eighty thousand, four hundred ninety-three".