551644414099 has 2 divisors, whose sum is σ = 551644414100. Its totient is φ = 551644414098.

The previous prime is 551644414033. The next prime is 551644414141. The reversal of 551644414099 is 990414446155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551644414099 - 2²¹ = 551642316947 is a prime.

It is not a weakly prime, because it can be changed into another prime (551644414499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275822207049 + 275822207050.

It is an arithmetic number, because the mean of its divisors is an integer number (275822207050).

Almost surely, 2^551644414099 is an apocalyptic number.

551644414099 is a deficient number, since it is larger than the sum of its proper divisors (1).

551644414099 is an equidigital number, since it uses as much as digits as its factorization.

551644414099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 551644414099 in words is "five hundred fifty-one billion, six hundred forty-four million, four hundred fourteen thousand, ninety-nine".