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10439663917 is a prime number
BaseRepresentation
bin10011011100100000…
…01010000100101101
3222221120001212122011
421232100022010231
5132340023221132
64443530121221
7516463451644
oct115620120455
928846055564
1010439663917
114477a11021
122034280211
13ca4b08637
147106d035b
154117a8b47
hex26e40a12d

10439663917 has 2 divisors, whose sum is σ = 10439663918. Its totient is φ = 10439663916.

The previous prime is 10439663911. The next prime is 10439663929. The reversal of 10439663917 is 71936693401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10439526276 + 137641 = 102174^2 + 371^2 .

It is a cyclic number.

It is not a de Polignac number, because 10439663917 - 231 = 8292180269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10439663911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5219831958 + 5219831959.

It is an arithmetic number, because the mean of its divisors is an integer number (5219831959).

Almost surely, 210439663917 is an apocalyptic number.

It is an amenable number.

10439663917 is a deficient number, since it is larger than the sum of its proper divisors (1).

10439663917 is an equidigital number, since it uses as much as digits as its factorization.

10439663917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 734832, while the sum is 49.

The spelling of 10439663917 in words is "ten billion, four hundred thirty-nine million, six hundred sixty-three thousand, nine hundred seventeen".