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1369674161 is a prime number
BaseRepresentation
bin101000110100011…
…1001000110110001
310112110021122201122
41101220321012301
510301114033121
6343524512025
745641016062
oct12150710661
93473248648
101369674161
11643166519
1232284b615
1318a9c13ab
14cdc9a569
15803a45ab
hex51a391b1

1369674161 has 2 divisors, whose sum is σ = 1369674162. Its totient is φ = 1369674160.

The previous prime is 1369674083. The next prime is 1369674181. The reversal of 1369674161 is 1614769631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1300035136 + 69639025 = 36056^2 + 8345^2 .

It is a cyclic number.

It is not a de Polignac number, because 1369674161 - 214 = 1369657777 is a prime.

It is a super-2 number, since 2×13696741612 = 3752014614622107842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1369674181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684837080 + 684837081.

It is an arithmetic number, because the mean of its divisors is an integer number (684837081).

Almost surely, 21369674161 is an apocalyptic number.

It is an amenable number.

1369674161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369674161 is an equidigital number, since it uses as much as digits as its factorization.

1369674161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 44.

The square root of 1369674161 is about 37009.1091624751. The cubic root of 1369674161 is about 1110.5524833994.

The spelling of 1369674161 in words is "one billion, three hundred sixty-nine million, six hundred seventy-four thousand, one hundred sixty-one".