550100999873 has 2 divisors, whose sum is σ = 550100999874. Its totient is φ = 550100999872.

The previous prime is 550100999813. The next prime is 550100999893. The reversal of 550100999873 is 378999001055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543328203664 + 6772796209 = 737108^2 + 82297^2 .

It is a cyclic number.

It is not a de Polignac number, because 550100999873 - 2⁶ = 550100999809 is a prime.

It is a super-2 number, since 2×550100999873² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (550100999803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275050499936 + 275050499937.

It is an arithmetic number, because the mean of its divisors is an integer number (275050499937).

Almost surely, 2^550100999873 is an apocalyptic number.

It is an amenable number.

550100999873 is a deficient number, since it is larger than the sum of its proper divisors (1).

550100999873 is an equidigital number, since it uses as much as digits as its factorization.

550100999873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3061800, while the sum is 56.

The spelling of 550100999873 in words is "five hundred fifty billion, one hundred million, nine hundred ninety-nine thousand, eight hundred seventy-three".