846064460649 has 16 divisors (see below), whose sum is σ = 1137032017920. Its totient is φ = 559570435200.

The previous prime is 846064460639. The next prime is 846064460653. The reversal of 846064460649 is 946064460648.

It is not a de Polignac number, because 846064460649 - 2¹¹ = 846064458601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (846064460609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8216917 + ... + 8319245.

It is an arithmetic number, because the mean of its divisors is an integer number (71064501120).

Almost surely, 2^846064460649 is an apocalyptic number.

It is an amenable number.

846064460649 is a deficient number, since it is larger than the sum of its proper divisors (290967557271).

846064460649 is a wasteful number, since it uses less digits than its factorization.

846064460649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124160.

The product of its (nonzero) digits is 23887872, while the sum is 57.

Subtracting 846064460649 from its reverse (946064460648), we obtain a palindrome (99999999999).

The spelling of 846064460649 in words is "eight hundred forty-six billion, sixty-four million, four hundred sixty thousand, six hundred forty-nine".