2451224132243 has 4 divisors (see below), whose sum is σ = 2457903217440. Its totient is φ = 2444545047048.

The previous prime is 2451224132239. The next prime is 2451224132281. The reversal of 2451224132243 is 3422314221542.

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 2451224132243 - 2² = 2451224132239 is a prime.

It is a super-2 number, since 2×2451224132243² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2451224132443) 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, 3339542048 + ... + 3339542781.

It is an arithmetic number, because the mean of its divisors is an integer number (614475804360).

Almost surely, 2^{2451224132243} is an apocalyptic number.

2451224132243 is a deficient number, since it is larger than the sum of its proper divisors (6679085197).

2451224132243 is an equidigital number, since it uses as much as digits as its factorization.

2451224132243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6679085196.

The product of its digits is 92160, while the sum is 35.

Adding to 2451224132243 its reverse (3422314221542), we get a palindrome (5873538353785).

The spelling of 2451224132243 in words is "two trillion, four hundred fifty-one billion, two hundred twenty-four million, one hundred thirty-two thousand, two hundred forty-three".