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65009479453 is a prime number
BaseRepresentation
bin111100100010110111…
…011110111100011101
320012210121210201200021
4330202313132330131
52031114411320303
645510454432141
74460665313032
oct744267367435
9205717721607
1065009479453
112563017a126
1210723662651
136190557709
143209d01389
151a5742cebd
hexf22ddef1d

65009479453 has 2 divisors, whose sum is σ = 65009479454. Its totient is φ = 65009479452.

The previous prime is 65009479439. The next prime is 65009479471. The reversal of 65009479453 is 35497490056.

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., 51600302649 + 13409176804 = 227157^2 + 115798^2 .

It is a cyclic number.

It is not a de Polignac number, because 65009479453 - 233 = 56419544861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65009479453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65009470453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32504739726 + 32504739727.

It is an arithmetic number, because the mean of its divisors is an integer number (32504739727).

Almost surely, 265009479453 is an apocalyptic number.

It is an amenable number.

65009479453 is a deficient number, since it is larger than the sum of its proper divisors (1).

65009479453 is an equidigital number, since it uses as much as digits as its factorization.

65009479453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 65009479453 in words is "sixty-five billion, nine million, four hundred seventy-nine thousand, four hundred fifty-three".