64803194755 has 32 divisors (see below), whose sum is σ = 85177548288. Its totient is φ = 47037542400.

The previous prime is 64803194737. The next prime is 64803194779. The reversal of 64803194755 is 55749130846.

It is not a de Polignac number, because 64803194755 - 2⁵ = 64803194723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6723790 + ... + 6733420.

It is an arithmetic number, because the mean of its divisors is an integer number (2661798384).

Almost surely, 2^64803194755 is an apocalyptic number.

64803194755 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64803194755 is a deficient number, since it is larger than the sum of its proper divisors (20374353533).

64803194755 is a wasteful number, since it uses less digits than its factorization.

64803194755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11407.

The product of its (nonzero) digits is 3628800, while the sum is 52.

The spelling of 64803194755 in words is "sixty-four billion, eight hundred three million, one hundred ninety-four thousand, seven hundred fifty-five".