964333820025 has 81 divisors (see below), whose sum is σ = 1835283871213. Its totient is φ = 483932064000.

The previous prime is 964333819987. The next prime is 964333820027. The reversal of 964333820025 is 520028333469.

The square root of 964333820025 is 982005.

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

964333820025 is a `hidden beast` number, since 9 + 6 + 433 + 3 + 8 + 200 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 22556735721 + 941777084304 = 150189^2 + 970452^2 .

It is a de Polignac number, because none of the positive numbers 2^k-964333820025 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (964333820027) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 250409350 + ... + 250413200.

Almost surely, 2^964333820025 is an apocalyptic number.

964333820025 is the 982005-th square number.

964333820025 is the 491003-rd centered octagonal number.

It is an amenable number.

964333820025 is a deficient number, since it is larger than the sum of its proper divisors (870950051188).

964333820025 is an equidigital number, since it uses as much as digits as its factorization.

964333820025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752 (or 3876 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 964333820025 in words is "nine hundred sixty-four billion, three hundred thirty-three million, eight hundred twenty thousand, twenty-five".