551408834503 has 2 divisors, whose sum is σ = 551408834504. Its totient is φ = 551408834502.

The previous prime is 551408834477. The next prime is 551408834527. The reversal of 551408834503 is 305438804155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551408834503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551408834303) 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, 275704417251 + 275704417252.

It is an arithmetic number, because the mean of its divisors is an integer number (275704417252).

Almost surely, 2^551408834503 is an apocalyptic number.

551408834503 is a deficient number, since it is larger than the sum of its proper divisors (1).

551408834503 is an equidigital number, since it uses as much as digits as its factorization.

551408834503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 551408834503 in words is "five hundred fifty-one billion, four hundred eight million, eight hundred thirty-four thousand, five hundred three".