2409788381191 has 4 divisors (see below), whose sum is σ = 2410176374584. Its totient is φ = 2409400387800.

The previous prime is 2409788381179. The next prime is 2409788381197. The reversal of 2409788381191 is 1911838879042.

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

It is a cyclic number.

It is not a de Polignac number, because 2409788381191 - 2¹⁵ = 2409788348423 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 (2409788381197) 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, 193987380 + ... + 193999801.

It is an arithmetic number, because the mean of its divisors is an integer number (602544093646).

Almost surely, 2^{2409788381191} is an apocalyptic number.

2409788381191 is a deficient number, since it is larger than the sum of its proper divisors (387993393).

2409788381191 is an equidigital number, since it uses as much as digits as its factorization.

2409788381191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387993392.

The product of its (nonzero) digits is 6967296, while the sum is 61.

The spelling of 2409788381191 in words is "two trillion, four hundred nine billion, seven hundred eighty-eight million, three hundred eighty-one thousand, one hundred ninety-one".