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5805418397 is a prime number
BaseRepresentation
bin1010110100000011…
…11010011110011101
3112222120220210220012
411122001322132131
543342141342042
62400022133005
7263602146032
oct53201723635
915876823805
105805418397
11250a009849
121160281165
1371698ab1c
143d103b389
1523e9ede82
hex15a07a79d

5805418397 has 2 divisors, whose sum is σ = 5805418398. Its totient is φ = 5805418396.

The previous prime is 5805418387. The next prime is 5805418459. The reversal of 5805418397 is 7938145085.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3889517956 + 1915900441 = 62366^2 + 43771^2 .

It is a cyclic number.

It is not a de Polignac number, because 5805418397 - 212 = 5805414301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5805418357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2902709198 + 2902709199.

It is an arithmetic number, because the mean of its divisors is an integer number (2902709199).

Almost surely, 25805418397 is an apocalyptic number.

It is an amenable number.

5805418397 is a deficient number, since it is larger than the sum of its proper divisors (1).

5805418397 is an equidigital number, since it uses as much as digits as its factorization.

5805418397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The square root of 5805418397 is about 76193.2962733599. The cubic root of 5805418397 is about 1797.2611017595.

The spelling of 5805418397 in words is "five billion, eight hundred five million, four hundred eighteen thousand, three hundred ninety-seven".