885656034649 has 3 divisors (see below), whose sum is σ = 885656975743. Its totient is φ = 885655093556.

The previous prime is 885656034517. The next prime is 885656034661. The reversal of 885656034649 is 946430656588.

The square root of 885656034649 is 941093.

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., 451201041225 + 434454993424 = 671715^2 + 659132^2 .

It is not a de Polignac number, because 885656034649 - 2¹¹ = 885656032601 is a prime.

It is a super-2 number, since 2×885656034649² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (885656034049) 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, 470547 + ... + 1411639.

Almost surely, 2^885656034649 is an apocalyptic number.

885656034649 is the 941093-rd square number.

885656034649 is the 470547-th centered octagonal number.

It is an amenable number.

885656034649 is a deficient number, since it is larger than the sum of its proper divisors (941094).

885656034649 is an frugal number, since it uses more digits than its factorization.

885656034649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1882186 (or 941093 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 64.

Multiplying 885656034649 by its sum of digits (64), we get a square (56681986217536 = 7528744²).

The spelling of 885656034649 in words is "eight hundred eighty-five billion, six hundred fifty-six million, thirty-four thousand, six hundred forty-nine".