551343049403 has 2 divisors, whose sum is σ = 551343049404. Its totient is φ = 551343049402.

The previous prime is 551343049399. The next prime is 551343049417. The reversal of 551343049403 is 304940343155.

551343049403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551343049403 - 2² = 551343049399 is a prime.

It is not a weakly prime, because it can be changed into another prime (551343049483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275671524701 + 275671524702.

It is an arithmetic number, because the mean of its divisors is an integer number (275671524702).

Almost surely, 2^551343049403 is an apocalyptic number.

551343049403 is a deficient number, since it is larger than the sum of its proper divisors (1).

551343049403 is an equidigital number, since it uses as much as digits as its factorization.

551343049403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 551343049403 in words is "five hundred fifty-one billion, three hundred forty-three million, forty-nine thousand, four hundred three".