101404207609 has 4 divisors (see below), whose sum is σ = 101406262516. Its totient is φ = 101402152704.

The previous prime is 101404207607. The next prime is 101404207643. The reversal of 101404207609 is 906702404101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81080854009 + 20323353600 = 284747^2 + 142560^2 .

It is a cyclic number.

It is not a de Polignac number, because 101404207609 - 2¹ = 101404207607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101404207607) 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, 951564 + ... + 1052749.

It is an arithmetic number, because the mean of its divisors is an integer number (25351565629).

Almost surely, 2^101404207609 is an apocalyptic number.

It is an amenable number.

101404207609 is a deficient number, since it is larger than the sum of its proper divisors (2054907).

101404207609 is an equidigital number, since it uses as much as digits as its factorization.

101404207609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054906.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 101404207609 in words is "one hundred one billion, four hundred four million, two hundred seven thousand, six hundred nine".