11782419413 has 4 divisors (see below), whose sum is σ = 11783076108. Its totient is φ = 11781762720.

The previous prime is 11782419409. The next prime is 11782419427. The reversal of 11782419413 is 31491428711.

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 1876795684 + 9905623729 = 43322^2 + 99527^2 .

It is a cyclic number.

It is not a de Polignac number, because 11782419413 - 2² = 11782419409 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 (11782419113) 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, 300656 + ... + 337577.

It is an arithmetic number, because the mean of its divisors is an integer number (2945769027).

Almost surely, 2^11782419413 is an apocalyptic number.

It is an amenable number.

11782419413 is a deficient number, since it is larger than the sum of its proper divisors (656695).

11782419413 is an equidigital number, since it uses as much as digits as its factorization.

11782419413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656694.

The product of its digits is 48384, while the sum is 41.

The spelling of 11782419413 in words is "eleven billion, seven hundred eighty-two million, four hundred nineteen thousand, four hundred thirteen".