6550364100139 has 2 divisors, whose sum is σ = 6550364100140. Its totient is φ = 6550364100138.

The previous prime is 6550364100131. The next prime is 6550364100179. The reversal of 6550364100139 is 9310014630556.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6550364100139 - 2³ = 6550364100131 is a prime.

It is a super-2 number, since 2×6550364100139² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6550364100095 and 6550364100104.

It is not a weakly prime, because it can be changed into another prime (6550364100131) 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, 3275182050069 + 3275182050070.

It is an arithmetic number, because the mean of its divisors is an integer number (3275182050070).

Almost surely, 2^{6550364100139} is an apocalyptic number.

6550364100139 is a deficient number, since it is larger than the sum of its proper divisors (1).

6550364100139 is an equidigital number, since it uses as much as digits as its factorization.

6550364100139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 6550364100139 in words is "six trillion, five hundred fifty billion, three hundred sixty-four million, one hundred thousand, one hundred thirty-nine".