7643311739716 has 9 divisors (see below), whose sum is σ = 13375805220799. Its totient is φ = 3821653105204.

The previous prime is 7643311739689. The next prime is 7643311739719. The reversal of 7643311739716 is 6179371133467.

The square root of 7643311739716 is 2764654.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7643311739719) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4838145 + ... + 6220471.

Almost surely, 2^{7643311739716} is an apocalyptic number.

7643311739716 is the 2764654-th square number.

It is an amenable number.

7643311739716 is a deficient number, since it is larger than the sum of its proper divisors (5732493481083).

7643311739716 is an frugal number, since it uses more digits than its factorization.

7643311739716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764658 (or 1382329 counting only the distinct ones).

The product of its digits is 12002256, while the sum is 58.

The spelling of 7643311739716 in words is "seven trillion, six hundred forty-three billion, three hundred eleven million, seven hundred thirty-nine thousand, seven hundred sixteen".