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1382680469 is a prime number
BaseRepresentation
bin101001001101010…
…0000011110010101
310120100202110000202
41102122200132111
510312431233334
6345111350245
746156406252
oct12232403625
93510673022
101382680469
1164a53a335
12327082385
131905c6431
14d18c4429
15815c317e
hex526a0795

1382680469 has 2 divisors, whose sum is σ = 1382680470. Its totient is φ = 1382680468.

The previous prime is 1382680459. The next prime is 1382680471. The reversal of 1382680469 is 9640862831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1336779844 + 45900625 = 36562^2 + 6775^2 .

It is a cyclic number.

It is not a de Polignac number, because 1382680469 - 220 = 1381631893 is a prime.

It is a super-2 number, since 2×13826804692 = 3823610558708119922, which contains 22 as substring.

Together with 1382680471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1382680459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 691340234 + 691340235.

It is an arithmetic number, because the mean of its divisors is an integer number (691340235).

Almost surely, 21382680469 is an apocalyptic number.

It is an amenable number.

1382680469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1382680469 is an equidigital number, since it uses as much as digits as its factorization.

1382680469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 1382680469 is about 37184.4116398256. The cubic root of 1382680469 is about 1114.0566518812.

The spelling of 1382680469 in words is "one billion, three hundred eighty-two million, six hundred eighty thousand, four hundred sixty-nine".