834769113649 has 9 divisors (see below), whose sum is σ = 839951190841. Its totient is φ = 829618829140.

The previous prime is 834769113641. The next prime is 834769113691. The reversal of 834769113649 is 946311967438.

The square root of 834769113649 is 913657.

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

It is not a de Polignac number, because 834769113649 - 2³ = 834769113641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (834769113641) 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, 152577984 + ... + 152583454.

Almost surely, 2^834769113649 is an apocalyptic number.

834769113649 is the 913657-th square number.

834769113649 is the 456829-th centered octagonal number.

It is an amenable number.

834769113649 is a deficient number, since it is larger than the sum of its proper divisors (5182077192).

834769113649 is an frugal number, since it uses more digits than its factorization.

834769113649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11276 (or 5638 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 61.

The spelling of 834769113649 in words is "eight hundred thirty-four billion, seven hundred sixty-nine million, one hundred thirteen thousand, six hundred forty-nine".