409149743 has 8 divisors (see below), whose sum is σ = 436585200. Its totient is φ = 382304448.

The previous prime is 409149739. The next prime is 409149779. The reversal of 409149743 is 347941904.

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 409149743 - 2² = 409149739 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 409149743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409149443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146108 + ... + 148881.

It is an arithmetic number, because the mean of its divisors is an integer number (54573150).

Almost surely, 2^409149743 is an apocalyptic number.

409149743 is a deficient number, since it is larger than the sum of its proper divisors (27435457).

409149743 is a wasteful number, since it uses less digits than its factorization.

409149743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295081.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 409149743 is about 20227.4502347676. The cubic root of 409149743 is about 742.3819901859.

The spelling of 409149743 in words is "four hundred nine million, one hundred forty-nine thousand, seven hundred forty-three".