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6841448109949 is a prime number
BaseRepresentation
bin110001110001110011000…
…0101011001011101111101
3220020000222021121102210011
41203203212011121131331
51344042241204004244
622314530132143221
71304164314302665
oct143434605313575
926200867542704
106841448109949
1121a8495113672
12925b03167b11
133a81b83b34cb
141991b0b991a5
15bce65e5b434
hex638e615977d

6841448109949 has 2 divisors, whose sum is σ = 6841448109950. Its totient is φ = 6841448109948.

The previous prime is 6841448109917. The next prime is 6841448109961. The reversal of 6841448109949 is 9499018441486.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4791918012025 + 2049530097924 = 2189045^2 + 1431618^2 .

It is a cyclic number.

It is not a de Polignac number, because 6841448109949 - 25 = 6841448109917 is a prime.

It is a super-2 number, since 2×68414481099492 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6841448104949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3420724054974 + 3420724054975.

It is an arithmetic number, because the mean of its divisors is an integer number (3420724054975).

Almost surely, 26841448109949 is an apocalyptic number.

It is an amenable number.

6841448109949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6841448109949 is an equidigital number, since it uses as much as digits as its factorization.

6841448109949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71663616, while the sum is 67.

The spelling of 6841448109949 in words is "six trillion, eight hundred forty-one billion, four hundred forty-eight million, one hundred nine thousand, nine hundred forty-nine".