551554243619 has 2 divisors, whose sum is σ = 551554243620. Its totient is φ = 551554243618.

The previous prime is 551554243571. The next prime is 551554243663. The reversal of 551554243619 is 916342455155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551554243619 - 2²⁰ = 551553195043 is a prime.

It is a super-2 number, since 2×551554243619² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (551554203619) 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, 275777121809 + 275777121810.

It is an arithmetic number, because the mean of its divisors is an integer number (275777121810).

Almost surely, 2^551554243619 is an apocalyptic number.

551554243619 is a deficient number, since it is larger than the sum of its proper divisors (1).

551554243619 is an equidigital number, since it uses as much as digits as its factorization.

551554243619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240000, while the sum is 50.

The spelling of 551554243619 in words is "five hundred fifty-one billion, five hundred fifty-four million, two hundred forty-three thousand, six hundred nineteen".