964709645 has 4 divisors (see below), whose sum is σ = 1157651580. Its totient is φ = 771767712.

The previous prime is 964709633. The next prime is 964709651. The reversal of 964709645 is 546907469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546907469 = 683 ⋅800743.

It can be written as a sum of positive squares in 2 ways, for example, as 140043556 + 824666089 = 11834^2 + 28717^2 .

It is a cyclic number.

It is not a de Polignac number, because 964709645 - 2¹⁰ = 964708621 is a prime.

It is a super-3 number, since 3×964709645³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 964709593 and 964709602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96470960 + ... + 96470969.

It is an arithmetic number, because the mean of its divisors is an integer number (289412895).

Almost surely, 2^964709645 is an apocalyptic number.

It is an amenable number.

964709645 is a deficient number, since it is larger than the sum of its proper divisors (192941935).

964709645 is a wasteful number, since it uses less digits than its factorization.

964709645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192941934.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The square root of 964709645 is about 31059.7753533409. The cubic root of 964709645 is about 988.0953909903.

The spelling of 964709645 in words is "nine hundred sixty-four million, seven hundred nine thousand, six hundred forty-five".