427082069 has 2 divisors, whose sum is σ = 427082070. Its totient is φ = 427082068.

The previous prime is 427082039. The next prime is 427082107. The reversal of 427082069 is 960280724.

It is an a-pointer prime, because the next prime (427082107) can be obtained adding 427082069 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 426959569 + 122500 = 20663^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 427082069 - 2²⁸ = 158646613 is a prime.

It is a super-2 number, since 2×427082069² = 364798187322641522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427082039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213541034 + 213541035.

It is an arithmetic number, because the mean of its divisors is an integer number (213541035).

Almost surely, 2^427082069 is an apocalyptic number.

It is an amenable number.

427082069 is a deficient number, since it is larger than the sum of its proper divisors (1).

427082069 is an equidigital number, since it uses as much as digits as its factorization.

427082069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 427082069 is about 20665.9640230017. The cubic root of 427082069 is about 753.0730617098.

The spelling of 427082069 in words is "four hundred twenty-seven million, eighty-two thousand, sixty-nine".