6461196750464 has 32 divisors (see below), whose sum is σ = 12875563769700. Its totient is φ = 3229682706432.

The previous prime is 6461196750451. The next prime is 6461196750487. The reversal of 6461196750464 is 4640576911646.

It can be written as a sum of positive squares in 2 ways, for example, as 6235009000000 + 226187750464 = 2497000^2 + 475592^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6700187 + ... + 7603610.

Almost surely, 2^{6461196750464} is an apocalyptic number.

6461196750464 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6461196750464 is a deficient number, since it is larger than the sum of its proper divisors (6414367019236).

6461196750464 is a wasteful number, since it uses less digits than its factorization.

6461196750464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14307340 (or 14307328 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 6461196750464 in words is "six trillion, four hundred sixty-one billion, one hundred ninety-six million, seven hundred fifty thousand, four hundred sixty-four".