551679042823 has 2 divisors, whose sum is σ = 551679042824. Its totient is φ = 551679042822.

The previous prime is 551679042821. The next prime is 551679042833. The reversal of 551679042823 is 328240976155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551679042823 - 2¹ = 551679042821 is a prime.

Together with 551679042821, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551679042821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275839521411 + 275839521412.

It is an arithmetic number, because the mean of its divisors is an integer number (275839521412).

It is a 1-persistent number, because it is pandigital, but 2⋅551679042823 = 1103358085646 is not.

Almost surely, 2^551679042823 is an apocalyptic number.

551679042823 is a deficient number, since it is larger than the sum of its proper divisors (1).

551679042823 is an equidigital number, since it uses as much as digits as its factorization.

551679042823 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 551679042823 in words is "five hundred fifty-one billion, six hundred seventy-nine million, forty-two thousand, eight hundred twenty-three".