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2230661639 is a prime number
BaseRepresentation
bin1000010011110101…
…0011001000000111
312202110101100111202
42010331103020013
514032022133024
61005202453115
7106164211463
oct20475231007
95673340452
102230661639
11a45172118
1252306419b
132971a883b
1417237d4a3
15d0c76bae
hex84f53207

2230661639 has 2 divisors, whose sum is σ = 2230661640. Its totient is φ = 2230661638.

The previous prime is 2230661633. The next prime is 2230661651. The reversal of 2230661639 is 9361660322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2230661639 - 24 = 2230661623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2230661633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115330819 + 1115330820.

It is an arithmetic number, because the mean of its divisors is an integer number (1115330820).

Almost surely, 22230661639 is an apocalyptic number.

2230661639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230661639 is an equidigital number, since it uses as much as digits as its factorization.

2230661639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 38.

The square root of 2230661639 is about 47229.8807853672. The cubic root of 2230661639 is about 1306.6057535365.

The spelling of 2230661639 in words is "two billion, two hundred thirty million, six hundred sixty-one thousand, six hundred thirty-nine".