64483437184 has 32 divisors (see below), whose sum is σ = 128926934100. Its totient is φ = 32125304832.

The previous prime is 64483437181. The next prime is 64483437197. The reversal of 64483437184 is 48173438446.

It can be written as a sum of positive squares in 2 ways, for example, as 46452318784 + 18031118400 = 215528^2 + 134280^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×64483437184² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64483437181) 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 3 ways as a sum of consecutive naturals, for example, 873889 + ... + 944800.

Almost surely, 2^64483437184 is an apocalyptic number.

64483437184 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64483437184 is a deficient number, since it is larger than the sum of its proper divisors (64443496916).

64483437184 is a wasteful number, since it uses less digits than its factorization.

64483437184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818980 (or 1818968 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 52.

The spelling of 64483437184 in words is "sixty-four billion, four hundred eighty-three million, four hundred thirty-seven thousand, one hundred eighty-four".