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6435070049 is a prime number
BaseRepresentation
bin1011111111000111…
…10110000001100001
3121121110201102120202
411333203312001201
5101134334220144
62542313514545
7315316123112
oct57743660141
917543642522
106435070049
11280247a411
1212b7112a55
137b7268c75
14450902209
15279e2764e
hex17f8f6061

6435070049 has 2 divisors, whose sum is σ = 6435070050. Its totient is φ = 6435070048.

The previous prime is 6435069989. The next prime is 6435070051. The reversal of 6435070049 is 9400705346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5745640000 + 689430049 = 75800^2 + 26257^2 .

It is a cyclic number.

It is not a de Polignac number, because 6435070049 - 224 = 6418292833 is a prime.

It is a Sophie Germain prime.

Together with 6435070051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6435069994 and 6435070021.

It is not a weakly prime, because it can be changed into another prime (6435070069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217535024 + 3217535025.

It is an arithmetic number, because the mean of its divisors is an integer number (3217535025).

Almost surely, 26435070049 is an apocalyptic number.

It is an amenable number.

6435070049 is a deficient number, since it is larger than the sum of its proper divisors (1).

6435070049 is an equidigital number, since it uses as much as digits as its factorization.

6435070049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 6435070049 is about 80218.8883555488. Note that the first 3 decimals coincide. The cubic root of 6435070049 is about 1860.0206234465.

The spelling of 6435070049 in words is "six billion, four hundred thirty-five million, seventy thousand, forty-nine".