551672188813 has 2 divisors, whose sum is σ = 551672188814. Its totient is φ = 551672188812.

The previous prime is 551672188811. The next prime is 551672188931. The reversal of 551672188813 is 318881276155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 491201936164 + 60470252649 = 700858^2 + 245907^2 .

It is a cyclic number.

It is not a de Polignac number, because 551672188813 - 2¹ = 551672188811 is a prime.

Together with 551672188811, 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 (551672188811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275836094406 + 275836094407.

It is an arithmetic number, because the mean of its divisors is an integer number (275836094407).

Almost surely, 2^551672188813 is an apocalyptic number.

It is an amenable number.

551672188813 is a deficient number, since it is larger than the sum of its proper divisors (1).

551672188813 is an equidigital number, since it uses as much as digits as its factorization.

551672188813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3225600, while the sum is 55.

The spelling of 551672188813 in words is "five hundred fifty-one billion, six hundred seventy-two million, one hundred eighty-eight thousand, eight hundred thirteen".