6634145536 has 18 divisors (see below), whose sum is σ = 13242376952. Its totient is φ = 3317072640.

The previous prime is 6634145527. The next prime is 6634145543. The reversal of 6634145536 is 6355414366.

It is a junction number, because it is equal to n+sod(n) for n = 6634145492 and 6634145501.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12957060 + ... + 12957571.

Almost surely, 2^6634145536 is an apocalyptic number.

It is an amenable number.

6634145536 is a deficient number, since it is larger than the sum of its proper divisors (6608231416).

6634145536 is an equidigital number, since it uses as much as digits as its factorization.

6634145536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25914647 (or 25914633 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

The square root of 6634145536 is about 81450.2641861891. The cubic root of 6634145536 is about 1879.0067123549.

The spelling of 6634145536 in words is "six billion, six hundred thirty-four million, one hundred forty-five thousand, five hundred thirty-six".