964772266649 has 2 divisors, whose sum is σ = 964772266650. Its totient is φ = 964772266648.

The previous prime is 964772266643. The next prime is 964772266687. The reversal of 964772266649 is 946662277469.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 963607273225 + 1164993424 = 981635^2 + 34132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-964772266649 is a prime.

It is not a weakly prime, because it can be changed into another prime (964772266643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482386133324 + 482386133325.

It is an arithmetic number, because the mean of its divisors is an integer number (482386133325).

Almost surely, 2^964772266649 is an apocalyptic number.

It is an amenable number.

964772266649 is a deficient number, since it is larger than the sum of its proper divisors (1).

964772266649 is an equidigital number, since it uses as much as digits as its factorization.

964772266649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 329204736, while the sum is 68.

The spelling of 964772266649 in words is "nine hundred sixty-four billion, seven hundred seventy-two million, two hundred sixty-six thousand, six hundred forty-nine".