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4280990863 is a prime number
BaseRepresentation
bin1111111100101010…
…1011110010001111
3102001100102212110011
43333022223302033
532231413201423
61544444254051
7211041551632
oct37712536217
912040385404
104280990863
1118a7564886
129b5841327
13532bc50b6
142c87b9c19
151a0c7bb0d
hexff2abc8f

4280990863 has 2 divisors, whose sum is σ = 4280990864. Its totient is φ = 4280990862.

The previous prime is 4280990821. The next prime is 4280990893. The reversal of 4280990863 is 3680990824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4280990863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4280990893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2140495431 + 2140495432.

It is an arithmetic number, because the mean of its divisors is an integer number (2140495432).

Almost surely, 24280990863 is an apocalyptic number.

4280990863 is a deficient number, since it is larger than the sum of its proper divisors (1).

4280990863 is an equidigital number, since it uses as much as digits as its factorization.

4280990863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 4280990863 is about 65429.2813883815. The cubic root of 4280990863 is about 1623.7335600681.

The spelling of 4280990863 in words is "four billion, two hundred eighty million, nine hundred ninety thousand, eight hundred sixty-three".