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12637740659 is a prime number
BaseRepresentation
bin10111100010100010…
…01001111001110011
31012121202010202001212
423301101021321303
5201340230200114
65450010350335
7625114010645
oct136121117163
935552122055
1012637740659
1153a5747675
12254842b3ab
13126531576b
1487c5ca895
154de745b3e
hex2f1449e73

12637740659 has 2 divisors, whose sum is σ = 12637740660. Its totient is φ = 12637740658.

The previous prime is 12637740631. The next prime is 12637740667. The reversal of 12637740659 is 95604773621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12637740659 - 228 = 12369305203 is a prime.

It is not a weakly prime, because it can be changed into another prime (12637743659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6318870329 + 6318870330.

It is an arithmetic number, because the mean of its divisors is an integer number (6318870330).

Almost surely, 212637740659 is an apocalyptic number.

12637740659 is a deficient number, since it is larger than the sum of its proper divisors (1).

12637740659 is an equidigital number, since it uses as much as digits as its factorization.

12637740659 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 12637740659 in words is "twelve billion, six hundred thirty-seven million, seven hundred forty thousand, six hundred fifty-nine".