43819048861 has 4 divisors (see below), whose sum is σ = 50078912992. Its totient is φ = 37559184732.

The previous prime is 43819048859. The next prime is 43819048909. The reversal of 43819048861 is 16884091834.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16884091834 = 2 ⋅8442045917.

It is a cyclic number.

It is not a de Polignac number, because 43819048861 - 2¹ = 43819048859 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 43819048799 and 43819048808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43819048811) 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, 3129932055 + ... + 3129932068.

It is an arithmetic number, because the mean of its divisors is an integer number (12519728248).

Almost surely, 2^43819048861 is an apocalyptic number.

It is an amenable number.

43819048861 is a deficient number, since it is larger than the sum of its proper divisors (6259864131).

43819048861 is an equidigital number, since it uses as much as digits as its factorization.

43819048861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6259864130.

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 43819048861 in words is "forty-three billion, eight hundred nineteen million, forty-eight thousand, eight hundred sixty-one".