551344669 has 2 divisors, whose sum is σ = 551344670. Its totient is φ = 551344668.

The previous prime is 551344649. The next prime is 551344687. The reversal of 551344669 is 966443155.

551344669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 405539044 + 145805625 = 20138^2 + 12075^2 .

It is a cyclic number.

It is not a de Polignac number, because 551344669 - 2²³ = 542956061 is a prime.

It is a super-2 number, since 2×551344669² = 607961888069439122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551344649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275672334 + 275672335.

It is an arithmetic number, because the mean of its divisors is an integer number (275672335).

Almost surely, 2^551344669 is an apocalyptic number.

It is an amenable number.

551344669 is a deficient number, since it is larger than the sum of its proper divisors (1).

551344669 is an equidigital number, since it uses as much as digits as its factorization.

551344669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 43.

The square root of 551344669 is about 23480.7297373825. The cubic root of 551344669 is about 819.9884338047.

The spelling of 551344669 in words is "five hundred fifty-one million, three hundred forty-four thousand, six hundred sixty-nine".