10485991064 has 32 divisors (see below), whose sum is σ = 20159921520. Its totient is φ = 5111273856.

The previous prime is 10485991063. The next prime is 10485991081. The reversal of 10485991064 is 46019958401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10485991063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12194 + ... + 145329.

Almost surely, 2^10485991064 is an apocalyptic number.

It is an amenable number.

10485991064 is a deficient number, since it is larger than the sum of its proper divisors (9673930456).

10485991064 is a wasteful number, since it uses less digits than its factorization.

10485991064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157739 (or 157735 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 47.

The spelling of 10485991064 in words is "ten billion, four hundred eighty-five million, nine hundred ninety-one thousand, sixty-four".