406102201109 has 4 divisors (see below), whose sum is σ = 443020583040. Its totient is φ = 369183819180.

The previous prime is 406102201009. The next prime is 406102201147. The reversal of 406102201109 is 901102201604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 406102201109 - 2²⁸ = 405833765653 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 (406102201009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18459190949 + ... + 18459190970.

It is an arithmetic number, because the mean of its divisors is an integer number (110755145760).

Almost surely, 2^406102201109 is an apocalyptic number.

It is an amenable number.

406102201109 is a deficient number, since it is larger than the sum of its proper divisors (36918381931).

406102201109 is a wasteful number, since it uses less digits than its factorization.

406102201109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36918381930.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 406102201109 in words is "four hundred six billion, one hundred two million, two hundred one thousand, one hundred nine".