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5129452469 is a prime number
BaseRepresentation
bin1001100011011110…
…10011101110110101
3111020110222011222002
410301233103232311
541001114434334
62204553545045
7241053424631
oct46157235665
914213864862
105129452469
1121a2495619
12bb1a15185
1363991509b
1436935bdc1
152004c7b7e
hex131bd3bb5

5129452469 has 2 divisors, whose sum is σ = 5129452470. Its totient is φ = 5129452468.

The previous prime is 5129452409. The next prime is 5129452481. The reversal of 5129452469 is 9642549215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4876228900 + 253223569 = 69830^2 + 15913^2 .

It is a cyclic number.

It is not a de Polignac number, because 5129452469 - 28 = 5129452213 is a prime.

It is a super-2 number, since 2×51294524692 = 52622565263460391922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5129452409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564726234 + 2564726235.

It is an arithmetic number, because the mean of its divisors is an integer number (2564726235).

Almost surely, 25129452469 is an apocalyptic number.

It is an amenable number.

5129452469 is a deficient number, since it is larger than the sum of its proper divisors (1).

5129452469 is an equidigital number, since it uses as much as digits as its factorization.

5129452469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 47.

The square root of 5129452469 is about 71620.1959575649. The cubic root of 5129452469 is about 1724.6077628382.

The spelling of 5129452469 in words is "five billion, one hundred twenty-nine million, four hundred fifty-two thousand, four hundred sixty-nine".