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53474712869 is a prime number
BaseRepresentation
bin110001110011010101…
…110101110100100101
312010000202002212121002
4301303111311310211
51334004011302434
640322124403045
73602103362654
oct616325656445
9163022085532
1053474712869
1120751099286
12a4446a6485
1350728c4546
142833dc919b
1515ce95957e
hexc73575d25

53474712869 has 2 divisors, whose sum is σ = 53474712870. Its totient is φ = 53474712868.

The previous prime is 53474712859. The next prime is 53474712901. The reversal of 53474712869 is 96821747435.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52454740900 + 1019971969 = 229030^2 + 31937^2 .

It is a cyclic number.

It is not a de Polignac number, because 53474712869 - 24 = 53474712853 is a prime.

It is a super-2 number, since 2×534747128692 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53474712829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26737356434 + 26737356435.

It is an arithmetic number, because the mean of its divisors is an integer number (26737356435).

Almost surely, 253474712869 is an apocalyptic number.

It is an amenable number.

53474712869 is a deficient number, since it is larger than the sum of its proper divisors (1).

53474712869 is an equidigital number, since it uses as much as digits as its factorization.

53474712869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 56.

The spelling of 53474712869 in words is "fifty-three billion, four hundred seventy-four million, seven hundred twelve thousand, eight hundred sixty-nine".