2249451821358 has 48 divisors (see below), whose sum is σ = 5897722428000. Its totient is φ = 604894606848.

The previous prime is 2249451821347. The next prime is 2249451821399. The reversal of 2249451821358 is 8531281549422.

2249451821358 is a `hidden beast` number, since 2 + 2 + 4 + 94 + 518 + 2 + 1 + 35 + 8 = 666.

It is a super-2 number, since 2×2249451821358² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 525079983 + ... + 525084266.

It is an arithmetic number, because the mean of its divisors is an integer number (122869217250).

Almost surely, 2^{2249451821358} is an apocalyptic number.

2249451821358 is an abundant number, since it is smaller than the sum of its proper divisors (3648270606642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2249451821358 is a wasteful number, since it uses less digits than its factorization.

2249451821358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050164281 (or 1050164278 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 2249451821358 in words is "two trillion, two hundred forty-nine billion, four hundred fifty-one million, eight hundred twenty-one thousand, three hundred fifty-eight".