655382843 has 2 divisors, whose sum is σ = 655382844. Its totient is φ = 655382842.

The previous prime is 655382821. The next prime is 655382863. The reversal of 655382843 is 348283556.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655382843 - 2⁶ = 655382779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 655382794 and 655382803.

It is not a weakly prime, because it can be changed into another prime (655382863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327691421 + 327691422.

It is an arithmetic number, because the mean of its divisors is an integer number (327691422).

Almost surely, 2^655382843 is an apocalyptic number.

655382843 is a deficient number, since it is larger than the sum of its proper divisors (1).

655382843 is an equidigital number, since it uses as much as digits as its factorization.

655382843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 44.

The square root of 655382843 is about 25600.4461484561. The cubic root of 655382843 is about 868.6237292246.

The spelling of 655382843 in words is "six hundred fifty-five million, three hundred eighty-two thousand, eight hundred forty-three".