964545909473 has 2 divisors, whose sum is σ = 964545909474. Its totient is φ = 964545909472.

The previous prime is 964545909391. The next prime is 964545909497. The reversal of 964545909473 is 374909545469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 614298547984 + 350247361489 = 783772^2 + 591817^2 .

It is a cyclic number.

It is not a de Polignac number, because 964545909473 - 2²⁰ = 964544860897 is a prime.

It is a super-2 number, since 2×964545909473² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (964545909973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482272954736 + 482272954737.

It is an arithmetic number, because the mean of its divisors is an integer number (482272954737).

Almost surely, 2^964545909473 is an apocalyptic number.

It is an amenable number.

964545909473 is a deficient number, since it is larger than the sum of its proper divisors (1).

964545909473 is an equidigital number, since it uses as much as digits as its factorization.

964545909473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 146966400, while the sum is 65.

The spelling of 964545909473 in words is "nine hundred sixty-four billion, five hundred forty-five million, nine hundred nine thousand, four hundred seventy-three".