427199683 has 2 divisors, whose sum is σ = 427199684. Its totient is φ = 427199682.

The previous prime is 427199657. The next prime is 427199693. The reversal of 427199683 is 386991724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427199683 is a prime.

It is not a weakly prime, because it can be changed into another prime (427199693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213599841 + 213599842.

It is an arithmetic number, because the mean of its divisors is an integer number (213599842).

Almost surely, 2^427199683 is an apocalyptic number.

427199683 is a deficient number, since it is larger than the sum of its proper divisors (1).

427199683 is an equidigital number, since it uses as much as digits as its factorization.

427199683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 49.

The square root of 427199683 is about 20668.8094238638. The cubic root of 427199683 is about 753.1421848848.

The spelling of 427199683 in words is "four hundred twenty-seven million, one hundred ninety-nine thousand, six hundred eighty-three".