405849810199 has 8 divisors (see below), whose sum is σ = 430190943840. Its totient is φ = 381560633856.

The previous prime is 405849810187. The next prime is 405849810239. The reversal of 405849810199 is 991018948504.

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

It is a de Polignac number, because none of the positive numbers 2^k-405849810199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405849810169) 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, 12973234 + ... + 13004479.

It is an arithmetic number, because the mean of its divisors is an integer number (53773867980).

Almost surely, 2^405849810199 is an apocalyptic number.

405849810199 is a deficient number, since it is larger than the sum of its proper divisors (24341133641).

405849810199 is a wasteful number, since it uses less digits than its factorization.

405849810199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25978649.

The product of its (nonzero) digits is 3732480, while the sum is 58.

The spelling of 405849810199 in words is "four hundred five billion, eight hundred forty-nine million, eight hundred ten thousand, one hundred ninety-nine".