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4939206749 is a prime number
BaseRepresentation
bin1001001100110011…
…00101000001011101
3110202012222200220022
410212121211001131
540103414103444
62134040201525
7233253364451
oct44631450135
913665880808
104939206749
112105065154
12b5a1692a5
13609394859
1434bd98661
151dd9489ee
hex12666505d

4939206749 has 2 divisors, whose sum is σ = 4939206750. Its totient is φ = 4939206748.

The previous prime is 4939206733. The next prime is 4939206751. The reversal of 4939206749 is 9476029394.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2529084100 + 2410122649 = 50290^2 + 49093^2 .

It is a cyclic number.

It is not a de Polignac number, because 4939206749 - 24 = 4939206733 is a prime.

Together with 4939206751, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4939206749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4939206709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2469603374 + 2469603375.

It is an arithmetic number, because the mean of its divisors is an integer number (2469603375).

Almost surely, 24939206749 is an apocalyptic number.

It is an amenable number.

4939206749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4939206749 is an equidigital number, since it uses as much as digits as its factorization.

4939206749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 53.

The square root of 4939206749 is about 70279.4902443095. The cubic root of 4939206749 is about 1703.0173344363.

The spelling of 4939206749 in words is "four billion, nine hundred thirty-nine million, two hundred six thousand, seven hundred forty-nine".