7968216951629 has 4 divisors (see below), whose sum is σ = 8692600310880. Its totient is φ = 7243833592380.

The previous prime is 7968216951613. The next prime is 7968216951641. The reversal of 7968216951629 is 9261596128697.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7968216951629 - 2⁴ = 7968216951613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7968216953629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362191679609 + ... + 362191679630.

It is an arithmetic number, because the mean of its divisors is an integer number (2173150077720).

Almost surely, 2^{7968216951629} is an apocalyptic number.

It is an amenable number.

7968216951629 is a deficient number, since it is larger than the sum of its proper divisors (724383359251).

7968216951629 is a wasteful number, since it uses less digits than its factorization.

7968216951629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724383359250.

The product of its digits is 176359680, while the sum is 71.

The spelling of 7968216951629 in words is "seven trillion, nine hundred sixty-eight billion, two hundred sixteen million, nine hundred fifty-one thousand, six hundred twenty-nine".