8920964629657 has 2 divisors, whose sum is σ = 8920964629658. Its totient is φ = 8920964629656.

The previous prime is 8920964629651. The next prime is 8920964629669. The reversal of 8920964629657 is 7569264690298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5274835483401 + 3646129146256 = 2296701^2 + 1909484^2 .

It is a cyclic number.

It is not a de Polignac number, because 8920964629657 - 2³¹ = 8918817146009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8920964629657.

It is not a weakly prime, because it can be changed into another prime (8920964629651) by changing a digit.

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 as a sum of consecutive naturals, namely, 4460482314828 + 4460482314829.

It is an arithmetic number, because the mean of its divisors is an integer number (4460482314829).

Almost surely, 2^{8920964629657} is an apocalyptic number.

It is an amenable number.

8920964629657 is a deficient number, since it is larger than the sum of its proper divisors (1).

8920964629657 is an equidigital number, since it uses as much as digits as its factorization.

8920964629657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705438720, while the sum is 73.

The spelling of 8920964629657 in words is "eight trillion, nine hundred twenty billion, nine hundred sixty-four million, six hundred twenty-nine thousand, six hundred fifty-seven".