551532346433 has 2 divisors, whose sum is σ = 551532346434. Its totient is φ = 551532346432.

The previous prime is 551532346429. The next prime is 551532346499. The reversal of 551532346433 is 334643235155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 550292461489 + 1239884944 = 741817^2 + 35212^2 .

It is a cyclic number.

It is not a de Polignac number, because 551532346433 - 2² = 551532346429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (551532346033) 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, 275766173216 + 275766173217.

It is an arithmetic number, because the mean of its divisors is an integer number (275766173217).

Almost surely, 2^551532346433 is an apocalyptic number.

It is an amenable number.

551532346433 is a deficient number, since it is larger than the sum of its proper divisors (1).

551532346433 is an equidigital number, since it uses as much as digits as its factorization.

551532346433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944000, while the sum is 44.

The spelling of 551532346433 in words is "five hundred fifty-one billion, five hundred thirty-two million, three hundred forty-six thousand, four hundred thirty-three".