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5481649783 is a prime number
BaseRepresentation
bin1010001101011101…
…10101011001110111
3112011000200122212001
411012232311121313
542211300243113
62303534440131
7252561153151
oct50656653167
915130618761
105481649783
112363280685
12108b963047
1369488a46c
143a003bad1
152213977dd
hex146bb5677

5481649783 has 2 divisors, whose sum is σ = 5481649784. Its totient is φ = 5481649782.

The previous prime is 5481649781. The next prime is 5481649841. The reversal of 5481649783 is 3879461845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5481649783 - 21 = 5481649781 is a prime.

Together with 5481649781, 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 (5481649781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2740824891 + 2740824892.

It is an arithmetic number, because the mean of its divisors is an integer number (2740824892).

Almost surely, 25481649783 is an apocalyptic number.

5481649783 is a deficient number, since it is larger than the sum of its proper divisors (1).

5481649783 is an equidigital number, since it uses as much as digits as its factorization.

5481649783 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 55.

The square root of 5481649783 is about 74038.1643681149. The cubic root of 5481649783 is about 1763.2088695145.

The spelling of 5481649783 in words is "five billion, four hundred eighty-one million, six hundred forty-nine thousand, seven hundred eighty-three".