859091941 has 2 divisors, whose sum is σ = 859091942. Its totient is φ = 859091940.

The previous prime is 859091939. The next prime is 859091963. The reversal of 859091941 is 149190958.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 858197025 + 894916 = 29295^2 + 946^2 .

It is a cyclic number.

It is not a de Polignac number, because 859091941 - 2¹ = 859091939 is a prime.

It is a super-2 number, since 2×859091941² = 1476077926182294962, which contains 22 as substring.

Together with 859091939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 859091891 and 859091900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (859011941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429545970 + 429545971.

It is an arithmetic number, because the mean of its divisors is an integer number (429545971).

Almost surely, 2^859091941 is an apocalyptic number.

It is an amenable number.

859091941 is a deficient number, since it is larger than the sum of its proper divisors (1).

859091941 is an equidigital number, since it uses as much as digits as its factorization.

859091941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 116640, while the sum is 46.

The square root of 859091941 is about 29310.2702307570. The cubic root of 859091941 is about 950.6337197354.

The spelling of 859091941 in words is "eight hundred fifty-nine million, ninety-one thousand, nine hundred forty-one".