551436352241323 has 4 divisors (see below), whose sum is σ = 551471793888880. Its totient is φ = 551400910593768.

The previous prime is 551436352241293. The next prime is 551436352241387. The reversal of 551436352241323 is 323142253634155.

It is a happy number.

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 551436352241323 - 2²¹ = 551436350144171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (551436352341323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17720800440 + ... + 17720831557.

It is an arithmetic number, because the mean of its divisors is an integer number (137867948472220).

Almost surely, 2^{551436352241323} is an apocalyptic number.

551436352241323 is a deficient number, since it is larger than the sum of its proper divisors (35441647557).

551436352241323 is a wasteful number, since it uses less digits than its factorization.

551436352241323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35441647556.

The product of its digits is 7776000, while the sum is 49.

The spelling of 551436352241323 in words is "five hundred fifty-one trillion, four hundred thirty-six billion, three hundred fifty-two million, two hundred forty-one thousand, three hundred twenty-three".