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4540331689 is a prime number
BaseRepresentation
bin1000011101001111…
…11111011010101001
3102201102102202011221
410032213333122221
533244311103224
62030311022041
7220341116425
oct41647773251
912642382157
104540331689
111a1a998443
12a6866a921
135748582ca
14311007b85
151b89086e4
hex10e9ff6a9

4540331689 has 2 divisors, whose sum is σ = 4540331690. Its totient is φ = 4540331688.

The previous prime is 4540331651. The next prime is 4540331711. The reversal of 4540331689 is 9861330454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4540064400 + 267289 = 67380^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 4540331689 - 213 = 4540323497 is a prime.

It is a super-2 number, since 2×45403316892 = 41229223692275185442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4540337689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270165844 + 2270165845.

It is an arithmetic number, because the mean of its divisors is an integer number (2270165845).

Almost surely, 24540331689 is an apocalyptic number.

It is an amenable number.

4540331689 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540331689 is an equidigital number, since it uses as much as digits as its factorization.

4540331689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The square root of 4540331689 is about 67381.9834154502. The cubic root of 4540331689 is about 1655.8812694686.

The spelling of 4540331689 in words is "four billion, five hundred forty million, three hundred thirty-one thousand, six hundred eighty-nine".