964514517409 has 3 divisors (see below), whose sum is σ = 964515499507. Its totient is φ = 964513535312.

The previous prime is 964514517391. The next prime is 964514517437. The reversal of 964514517409 is 904715415469.

The square root of 964514517409 is 982097.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 964451664225 + 62853184 = 982065^2 + 7928^2 .

It is not a de Polignac number, because 964514517409 - 2³⁵ = 930154779041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 964514517409.

It is not an unprimeable number, because it can be changed into a prime (964514511409) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 491049 + ... + 1473145.

Almost surely, 2^964514517409 is an apocalyptic number.

964514517409 is the 982097-th square number.

964514517409 is the 491049-th centered octagonal number.

It is an amenable number.

964514517409 is a deficient number, since it is larger than the sum of its proper divisors (982098).

964514517409 is an frugal number, since it uses more digits than its factorization.

964514517409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964194 (or 982097 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 964514517409 in words is "nine hundred sixty-four billion, five hundred fourteen million, five hundred seventeen thousand, four hundred nine".