2249541298181 has 4 divisors (see below), whose sum is σ = 2276644205472. Its totient is φ = 2222438390892.

The previous prime is 2249541298097. The next prime is 2249541298231. The reversal of 2249541298181 is 1818921459422.

It is a happy number.

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 2249541298181 - 2¹⁴ = 2249541281797 is a prime.

It is a super-2 number, since 2×2249541298181² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2249541298981) 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, 13551453521 + ... + 13551453686.

It is an arithmetic number, because the mean of its divisors is an integer number (569161051368).

Almost surely, 2^{2249541298181} is an apocalyptic number.

It is an amenable number.

2249541298181 is a deficient number, since it is larger than the sum of its proper divisors (27102907291).

2249541298181 is an equidigital number, since it uses as much as digits as its factorization.

2249541298181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27102907290.

The product of its digits is 3317760, while the sum is 56.

The spelling of 2249541298181 in words is "two trillion, two hundred forty-nine billion, five hundred forty-one million, two hundred ninety-eight thousand, one hundred eighty-one".