9854450461 has 2 divisors, whose sum is σ = 9854450462. Its totient is φ = 9854450460.

The previous prime is 9854450449. The next prime is 9854450471. The reversal of 9854450461 is 1640544589.

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., 8518182436 + 1336268025 = 92294^2 + 36555^2 .

It is an emirp because it is prime and its reverse (1640544589) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9854450461 - 2⁵ = 9854450429 is a prime.

It is a super-2 number, since 2×9854450461² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9854450471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4927225230 + 4927225231.

It is an arithmetic number, because the mean of its divisors is an integer number (4927225231).

Almost surely, 2^9854450461 is an apocalyptic number.

It is an amenable number.

9854450461 is a deficient number, since it is larger than the sum of its proper divisors (1).

9854450461 is an equidigital number, since it uses as much as digits as its factorization.

9854450461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 9854450461 is about 99269.5847729807. The cubic root of 9854450461 is about 2143.9309978773.

The spelling of 9854450461 in words is "nine billion, eight hundred fifty-four million, four hundred fifty thousand, four hundred sixty-one".