551344379 has 2 divisors, whose sum is σ = 551344380. Its totient is φ = 551344378.

The previous prime is 551344373. The next prime is 551344421. The reversal of 551344379 is 973443155.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551344379 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (551344373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275672189 + 275672190.

It is an arithmetic number, because the mean of its divisors is an integer number (275672190).

Almost surely, 2^551344379 is an apocalyptic number.

551344379 is a deficient number, since it is larger than the sum of its proper divisors (1).

551344379 is an equidigital number, since it uses as much as digits as its factorization.

551344379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The square root of 551344379 is about 23480.7235621052. The cubic root of 551344379 is about 819.9882900370.

The spelling of 551344379 in words is "five hundred fifty-one million, three hundred forty-four thousand, three hundred seventy-nine".