6433964148676 has 27 divisors (see below), whose sum is σ = 11326441923853. Its totient is φ = 3197950519760.

The previous prime is 6433964148673. The next prime is 6433964148707. The reversal of 6433964148676 is 6768414693346.

The square root of 6433964148676 is 2536526.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 5852673792900 + 581290355776 = 2419230^2 + 762424^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6433964148671) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 877634331 + ... + 877641661.

Almost surely, 2^{6433964148676} is an apocalyptic number.

6433964148676 is the 2536526-th square number.

It is an amenable number.

6433964148676 is a deficient number, since it is larger than the sum of its proper divisors (4892477775177).

6433964148676 is an frugal number, since it uses more digits than its factorization.

6433964148676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15012 (or 7506 counting only the distinct ones).

The product of its digits is 376233984, while the sum is 67.

The spelling of 6433964148676 in words is "six trillion, four hundred thirty-three billion, nine hundred sixty-four million, one hundred forty-eight thousand, six hundred seventy-six".