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49757994239 is a prime number
BaseRepresentation
bin101110010101110011…
…101011110011111111
311202102201110000010112
4232111303223303333
51303401021303424
634505234300235
73411022654412
oct562563536377
9152381400115
1049757994239
111a1140aa598
129787a2767b
1348cc898c55
1425a0535b79
1514634de60e
hexb95cebcff

49757994239 has 2 divisors, whose sum is σ = 49757994240. Its totient is φ = 49757994238.

The previous prime is 49757994217. The next prime is 49757994241. The reversal of 49757994239 is 93249975794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49757994239 - 224 = 49741217023 is a prime.

Together with 49757994241, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49757994439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24878997119 + 24878997120.

It is an arithmetic number, because the mean of its divisors is an integer number (24878997120).

Almost surely, 249757994239 is an apocalyptic number.

49757994239 is a deficient number, since it is larger than the sum of its proper divisors (1).

49757994239 is an equidigital number, since it uses as much as digits as its factorization.

49757994239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 154314720, while the sum is 68.

The spelling of 49757994239 in words is "forty-nine billion, seven hundred fifty-seven million, nine hundred ninety-four thousand, two hundred thirty-nine".