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10644484447 is a prime number
BaseRepresentation
bin10011110100111010…
…11111000101011111
31000110211110211120201
421322131133011133
5133244442000242
64520124124331
7524531424232
oct117235370537
930424424521
1010644484447
114572596793
1220909966a7
13100838cb0c
1472d9a9419
154247664b7
hex27a75f15f

10644484447 has 2 divisors, whose sum is σ = 10644484448. Its totient is φ = 10644484446.

The previous prime is 10644484429. The next prime is 10644484463. The reversal of 10644484447 is 74448444601.

It is a strong prime.

It is an emirp because it is prime and its reverse (74448444601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10644484447 is a prime.

It is a super-2 number, since 2×106444844472 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10644484397 and 10644484406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10644484547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322242223 + 5322242224.

It is an arithmetic number, because the mean of its divisors is an integer number (5322242224).

Almost surely, 210644484447 is an apocalyptic number.

10644484447 is a deficient number, since it is larger than the sum of its proper divisors (1).

10644484447 is an equidigital number, since it uses as much as digits as its factorization.

10644484447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1376256, while the sum is 46.

The spelling of 10644484447 in words is "ten billion, six hundred forty-four million, four hundred eighty-four thousand, four hundred forty-seven".