2251224546499 has 2 divisors, whose sum is σ = 2251224546500. Its totient is φ = 2251224546498.

The previous prime is 2251224546497. The next prime is 2251224546551. The reversal of 2251224546499 is 9946454221522.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2251224546499 - 2¹ = 2251224546497 is a prime.

Together with 2251224546497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2251224546497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1125612273249 + 1125612273250.

It is an arithmetic number, because the mean of its divisors is an integer number (1125612273250).

Almost surely, 2^{2251224546499} is an apocalyptic number.

2251224546499 is a deficient number, since it is larger than the sum of its proper divisors (1).

2251224546499 is an equidigital number, since it uses as much as digits as its factorization.

2251224546499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12441600, while the sum is 55.

The spelling of 2251224546499 in words is "two trillion, two hundred fifty-one billion, two hundred twenty-four million, five hundred forty-six thousand, four hundred ninety-nine".