551441168893 has 4 divisors (see below), whose sum is σ = 569229593728. Its totient is φ = 533652744060.

The previous prime is 551441168891. The next prime is 551441168953. The reversal of 551441168893 is 398861144155.

551441168893 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 398861144155 = 5 ⋅79772228831.

It is a cyclic number.

It is not a de Polignac number, because 551441168893 - 2¹ = 551441168891 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551441168891) 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, 8894212371 + ... + 8894212432.

It is an arithmetic number, because the mean of its divisors is an integer number (142307398432).

Almost surely, 2^551441168893 is an apocalyptic number.

It is an amenable number.

551441168893 is a deficient number, since it is larger than the sum of its proper divisors (17788424835).

551441168893 is a wasteful number, since it uses less digits than its factorization.

551441168893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17788424834.

The product of its digits is 4147200, while the sum is 55.

The spelling of 551441168893 in words is "five hundred fifty-one billion, four hundred forty-one million, one hundred sixty-eight thousand, eight hundred ninety-three".