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2199853897 is a prime number
BaseRepresentation
bin1000001100011111…
…0001101101001001
312200022102011020021
42003013301231021
514001130311042
61002142300441
7105341310133
oct20307615511
95608364207
102199853897
11a2983a87a
12514887721
132909accc7
1416c240053
15cd1dd867
hex831f1b49

2199853897 has 2 divisors, whose sum is σ = 2199853898. Its totient is φ = 2199853896.

The previous prime is 2199853871. The next prime is 2199853913. The reversal of 2199853897 is 7983589912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1408050576 + 791803321 = 37524^2 + 28139^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2199853897 is a prime.

It is not a weakly prime, because it can be changed into another prime (2199853807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099926948 + 1099926949.

It is an arithmetic number, because the mean of its divisors is an integer number (1099926949).

Almost surely, 22199853897 is an apocalyptic number.

It is an amenable number.

2199853897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2199853897 is an equidigital number, since it uses as much as digits as its factorization.

2199853897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 61.

The square root of 2199853897 is about 46902.6001091624. The cubic root of 2199853897 is about 1300.5626552576.

The spelling of 2199853897 in words is "two billion, one hundred ninety-nine million, eight hundred fifty-three thousand, eight hundred ninety-seven".