6246535144 has 8 divisors (see below), whose sum is σ = 11712253410. Its totient is φ = 3123267568.

The previous prime is 6246535129. The next prime is 6246535157. The reversal of 6246535144 is 4415356426.

It can be written as a sum of positive squares in only one way, i.e., 5203891044 + 1042644100 = 72138^2 + 32290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6246535097 and 6246535106.

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 as a sum of consecutive naturals, namely, 390408439 + ... + 390408454.

Almost surely, 2^6246535144 is an apocalyptic number.

It is an amenable number.

6246535144 is a deficient number, since it is larger than the sum of its proper divisors (5465718266).

6246535144 is a wasteful number, since it uses less digits than its factorization.

6246535144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780816899 (or 780816895 counting only the distinct ones).

The product of its digits is 345600, while the sum is 40.

The square root of 6246535144 is about 79035.0247928094. The cubic root of 6246535144 is about 1841.6752960355.

The spelling of 6246535144 in words is "six billion, two hundred forty-six million, five hundred thirty-five thousand, one hundred forty-four".