34816947649 has 9 divisors (see below), whose sum is σ = 38272124289. Its totient is φ = 31649904660.

The previous prime is 34816947647. The next prime is 34816947661. The reversal of 34816947649 is 94674961843.

The square root of 34816947649 is 186593.

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

It is not a de Polignac number, because 34816947649 - 2¹ = 34816947647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34816947647) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2044042 + ... + 2061004.

Almost surely, 2^34816947649 is an apocalyptic number.

34816947649 is the 186593-rd square number.

34816947649 is the 93297-th centered octagonal number.

It is an amenable number.

34816947649 is a deficient number, since it is larger than the sum of its proper divisors (3455176640).

34816947649 is an frugal number, since it uses more digits than its factorization.

34816947649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33948 (or 16974 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 61.

The spelling of 34816947649 in words is "thirty-four billion, eight hundred sixteen million, nine hundred forty-seven thousand, six hundred forty-nine".