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2108794349 is a prime number
BaseRepresentation
bin111110110110001…
…1010010111101101
312102222001212000102
41331230122113231
513304322404344
6545130440445
7103154312324
oct17554322755
95388055012
102108794349
119923a5452
124aa293125
13277b79a0c
141600d90bb
15c5202e4e
hex7db1a5ed

2108794349 has 2 divisors, whose sum is σ = 2108794350. Its totient is φ = 2108794348.

The previous prime is 2108794309. The next prime is 2108794367. The reversal of 2108794349 is 9434978012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2086845124 + 21949225 = 45682^2 + 4685^2 .

It is a cyclic number.

It is not a de Polignac number, because 2108794349 - 224 = 2092017133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2108794309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1054397174 + 1054397175.

It is an arithmetic number, because the mean of its divisors is an integer number (1054397175).

Almost surely, 22108794349 is an apocalyptic number.

It is an amenable number.

2108794349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2108794349 is an equidigital number, since it uses as much as digits as its factorization.

2108794349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 2108794349 is about 45921.6109146881. The cubic root of 2108794349 is about 1282.3642722608.

The spelling of 2108794349 in words is "two billion, one hundred eight million, seven hundred ninety-four thousand, three hundred forty-nine".