551354431247 has 2 divisors, whose sum is σ = 551354431248. Its totient is φ = 551354431246.

The previous prime is 551354431219. The next prime is 551354431283. The reversal of 551354431247 is 742134453155.

551354431247 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 551354431247 - 2¹⁰ = 551354430223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551354431198 and 551354431207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551354433247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275677215623 + 275677215624.

It is an arithmetic number, because the mean of its divisors is an integer number (275677215624).

Almost surely, 2^551354431247 is an apocalyptic number.

551354431247 is a deficient number, since it is larger than the sum of its proper divisors (1).

551354431247 is an equidigital number, since it uses as much as digits as its factorization.

551354431247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008000, while the sum is 44.

The spelling of 551354431247 in words is "five hundred fifty-one billion, three hundred fifty-four million, four hundred thirty-one thousand, two hundred forty-seven".