2104250422409 has 4 divisors (see below), whose sum is σ = 2104255331604. Its totient is φ = 2104245513216.

The previous prime is 2104250422399. The next prime is 2104250422433. The reversal of 2104250422409 is 9042240524012.

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 795521286400 + 1308729136009 = 891920^2 + 1143997^2 .

It is a cyclic number.

It is not a de Polignac number, because 2104250422409 - 2¹² = 2104250418313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104250422459) 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, 1742852 + ... + 2691845.

It is an arithmetic number, because the mean of its divisors is an integer number (526063832901).

Almost surely, 2^{2104250422409} is an apocalyptic number.

It is an amenable number.

2104250422409 is a deficient number, since it is larger than the sum of its proper divisors (4909195).

2104250422409 is an equidigital number, since it uses as much as digits as its factorization.

2104250422409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4909194.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 2104250422409 in words is "two trillion, one hundred four billion, two hundred fifty million, four hundred twenty-two thousand, four hundred nine".