551442223449 has 96 divisors (see below), whose sum is σ = 898855810944. Its totient is φ = 323531366400.

The previous prime is 551442223441. The next prime is 551442223457. The reversal of 551442223449 is 944322244155.

551442223449 is a `hidden beast` number, since 5 + 514 + 42 + 22 + 34 + 49 = 666.

It is an interprime number because it is at equal distance from previous prime (551442223441) and next prime (551442223457).

It is not a de Polignac number, because 551442223449 - 2³ = 551442223441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (551442223441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 55973374 + ... + 55983224.

It is an arithmetic number, because the mean of its divisors is an integer number (9363081364).

Almost surely, 2^551442223449 is an apocalyptic number.

It is an amenable number.

551442223449 is a deficient number, since it is larger than the sum of its proper divisors (347413587495).

551442223449 is a wasteful number, since it uses less digits than its factorization.

551442223449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167 (or 10164 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 45.

The spelling of 551442223449 in words is "five hundred fifty-one billion, four hundred forty-two million, two hundred twenty-three thousand, four hundred forty-nine".