6468274536 has 16 divisors (see below), whose sum is σ = 16170686400. Its totient is φ = 2156091504.

The previous prime is 6468274531. The next prime is 6468274543. The reversal of 6468274536 is 6354728646.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6468274531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134755696 + ... + 134755743.

It is an arithmetic number, because the mean of its divisors is an integer number (1010667900).

Almost surely, 2^6468274536 is an apocalyptic number.

It is an amenable number.

6468274536 is an abundant number, since it is smaller than the sum of its proper divisors (9702411864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6468274536 is a wasteful number, since it uses less digits than its factorization.

6468274536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269511448 (or 269511444 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 51.

The square root of 6468274536 is about 80425.5838399697. The cubic root of 6468274536 is about 1863.2143263981.

The spelling of 6468274536 in words is "six billion, four hundred sixty-eight million, two hundred seventy-four thousand, five hundred thirty-six".