7966429645 has 16 divisors (see below), whose sum is σ = 9724190400. Its totient is φ = 6263921664.

The previous prime is 7966429643. The next prime is 7966429657. The reversal of 7966429645 is 5469246697.

It is a cyclic number.

It is not a de Polignac number, because 7966429645 - 2¹ = 7966429643 is a prime.

It is a super-3 number, since 3×7966429645³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7966429645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7966429643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123934 + ... + 176896.

It is an arithmetic number, because the mean of its divisors is an integer number (607761900).

Almost surely, 2^7966429645 is an apocalyptic number.

It is an amenable number.

7966429645 is a deficient number, since it is larger than the sum of its proper divisors (1757760755).

7966429645 is a wasteful number, since it uses less digits than its factorization.

7966429645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53484.

The product of its digits is 19595520, while the sum is 58.

The square root of 7966429645 is about 89254.8578229779. The cubic root of 7966429645 is about 1997.1985481827.

The spelling of 7966429645 in words is "seven billion, nine hundred sixty-six million, four hundred twenty-nine thousand, six hundred forty-five".