854049009907 has 2 divisors, whose sum is σ = 854049009908. Its totient is φ = 854049009906.

The previous prime is 854049009851. The next prime is 854049009977. The reversal of 854049009907 is 709900940458.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 854049009907 - 2³⁵ = 819689271539 is a prime.

It is a super-2 number, since 2×854049009907² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (854049009977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427024504953 + 427024504954.

It is an arithmetic number, because the mean of its divisors is an integer number (427024504954).

Almost surely, 2^854049009907 is an apocalyptic number.

854049009907 is a deficient number, since it is larger than the sum of its proper divisors (1).

854049009907 is an equidigital number, since it uses as much as digits as its factorization.

854049009907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 854049009907 in words is "eight hundred fifty-four billion, forty-nine million, nine thousand, nine hundred seven".