8551905841 has 2 divisors, whose sum is σ = 8551905842. Its totient is φ = 8551905840.

The previous prime is 8551905827. The next prime is 8551905847. The reversal of 8551905841 is 1485091558.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8244640000 + 307265841 = 90800^2 + 17529^2 .

It is a cyclic number.

It is not a de Polignac number, because 8551905841 - 2¹¹ = 8551903793 is a prime.

It is a super-3 number, since 3×8551905841³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8551905791 and 8551905800.

It is not a weakly prime, because it can be changed into another prime (8551905847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275952920 + 4275952921.

It is an arithmetic number, because the mean of its divisors is an integer number (4275952921).

Almost surely, 2^8551905841 is an apocalyptic number.

It is an amenable number.

8551905841 is a deficient number, since it is larger than the sum of its proper divisors (1).

8551905841 is an equidigital number, since it uses as much as digits as its factorization.

8551905841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 46.

The square root of 8551905841 is about 92476.5150781538. The cubic root of 8551905841 is about 2044.9732754362.

The spelling of 8551905841 in words is "eight billion, five hundred fifty-one million, nine hundred five thousand, eight hundred forty-one".