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3800487709 is a prime number
BaseRepresentation
bin1110001010000110…
…1101011100011101
3100210212021210001001
43202201231130131
530240411101314
61425041350301
7163115420044
oct34241553435
910725253031
103800487709
111680304737
128a0938391
134874a83c5
14280a5b55b
151739b5674
hexe286d71d

3800487709 has 2 divisors, whose sum is σ = 3800487710. Its totient is φ = 3800487708.

The previous prime is 3800487707. The next prime is 3800487793. The reversal of 3800487709 is 9077840083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3772662084 + 27825625 = 61422^2 + 5275^2 .

It is a cyclic number.

It is not a de Polignac number, because 3800487709 - 21 = 3800487707 is a prime.

Together with 3800487707, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3800487707) 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, 1900243854 + 1900243855.

It is an arithmetic number, because the mean of its divisors is an integer number (1900243855).

Almost surely, 23800487709 is an apocalyptic number.

It is an amenable number.

3800487709 is a deficient number, since it is larger than the sum of its proper divisors (1).

3800487709 is an equidigital number, since it uses as much as digits as its factorization.

3800487709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 3800487709 is about 61648.0957451242. The cubic root of 3800487709 is about 1560.5575079734.

The spelling of 3800487709 in words is "three billion, eight hundred million, four hundred eighty-seven thousand, seven hundred nine".