2188072436941 has 4 divisors (see below), whose sum is σ = 2188076383584. Its totient is φ = 2188068490300.

The previous prime is 2188072436867. The next prime is 2188072436969. The reversal of 2188072436941 is 1496342708812.

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.

It is a cyclic number.

It is not a de Polignac number, because 2188072436941 - 2¹³ = 2188072428749 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 (2188072466941) 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, 972505 + ... + 2306926.

It is an arithmetic number, because the mean of its divisors is an integer number (547019095896).

Almost surely, 2^{2188072436941} is an apocalyptic number.

It is an amenable number.

2188072436941 is a deficient number, since it is larger than the sum of its proper divisors (3946643).

2188072436941 is an equidigital number, since it uses as much as digits as its factorization.

2188072436941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3946642.

The product of its (nonzero) digits is 4644864, while the sum is 55.

The spelling of 2188072436941 in words is "two trillion, one hundred eighty-eight billion, seventy-two million, four hundred thirty-six thousand, nine hundred forty-one".