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49679482169 is a prime number
BaseRepresentation
bin101110010001001000…
…001011110100111001
311202020020201011211002
4232101020023310321
51303220421412134
634453351414345
73406050426302
oct562110136471
9152206634732
1049679482169
111a083855289
1297656843b5
1348b9539bc5
142593d397a9
15145b68187e
hexb9120bd39

49679482169 has 2 divisors, whose sum is σ = 49679482170. Its totient is φ = 49679482168.

The previous prime is 49679482141. The next prime is 49679482187. The reversal of 49679482169 is 96128497694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35678676544 + 14000805625 = 188888^2 + 118325^2 .

It is a cyclic number.

It is not a de Polignac number, because 49679482169 - 28 = 49679481913 is a prime.

It is a super-2 number, since 2×496794821692 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49679482189) 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, 24839741084 + 24839741085.

It is an arithmetic number, because the mean of its divisors is an integer number (24839741085).

Almost surely, 249679482169 is an apocalyptic number.

It is an amenable number.

49679482169 is a deficient number, since it is larger than the sum of its proper divisors (1).

49679482169 is an equidigital number, since it uses as much as digits as its factorization.

49679482169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47029248, while the sum is 65.

The spelling of 49679482169 in words is "forty-nine billion, six hundred seventy-nine million, four hundred eighty-two thousand, one hundred sixty-nine".