969492406657 has 2 divisors, whose sum is σ = 969492406658. Its totient is φ = 969492406656.

The previous prime is 969492406639. The next prime is 969492406681. The reversal of 969492406657 is 756604294969.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 575662108176 + 393830298481 = 758724^2 + 627559^2 .

It is an emirp because it is prime and its reverse (756604294969) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 969492406657 - 2⁷ = 969492406529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 969492406592 and 969492406601.

It is not a weakly prime, because it can be changed into another prime (969492406957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 484746203328 + 484746203329.

It is an arithmetic number, because the mean of its divisors is an integer number (484746203329).

Almost surely, 2^969492406657 is an apocalyptic number.

It is an amenable number.

969492406657 is a deficient number, since it is larger than the sum of its proper divisors (1).

969492406657 is an equidigital number, since it uses as much as digits as its factorization.

969492406657 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176359680, while the sum is 67.

The spelling of 969492406657 in words is "nine hundred sixty-nine billion, four hundred ninety-two million, four hundred six thousand, six hundred fifty-seven".