406801109081399 has 8 divisors (see below), whose sum is σ = 408849230090400. Its totient is φ = 404753027016096.

The previous prime is 406801109081377. The next prime is 406801109081431. The reversal of 406801109081399 is 993180901108604.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406801109081399 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 (406801109081099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11322797 + ... + 30688889.

It is an arithmetic number, because the mean of its divisors is an integer number (51106153761300).

Almost surely, 2^{406801109081399} is an apocalyptic number.

406801109081399 is a deficient number, since it is larger than the sum of its proper divisors (2048121009001).

406801109081399 is a wasteful number, since it uses less digits than its factorization.

406801109081399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19471849.

The product of its (nonzero) digits is 3359232, while the sum is 59.

The spelling of 406801109081399 in words is "four hundred six trillion, eight hundred one billion, one hundred nine million, eighty-one thousand, three hundred ninety-nine".