551323623293 has 2 divisors, whose sum is σ = 551323623294. Its totient is φ = 551323623292.

The previous prime is 551323623259. The next prime is 551323623299. The reversal of 551323623293 is 392326323155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421696981924 + 129626641369 = 649382^2 + 360037^2 .

It is a cyclic number.

It is not a de Polignac number, because 551323623293 - 2⁶ = 551323623229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551323623299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275661811646 + 275661811647.

It is an arithmetic number, because the mean of its divisors is an integer number (275661811647).

Almost surely, 2^551323623293 is an apocalyptic number.

It is an amenable number.

551323623293 is a deficient number, since it is larger than the sum of its proper divisors (1).

551323623293 is an equidigital number, since it uses as much as digits as its factorization.

551323623293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 874800, while the sum is 44.

The spelling of 551323623293 in words is "five hundred fifty-one billion, three hundred twenty-three million, six hundred twenty-three thousand, two hundred ninety-three".