923603647849 has 9 divisors (see below), whose sum is σ = 926529633687. Its totient is φ = 920686882344.

The previous prime is 923603647801. The next prime is 923603647859. The reversal of 923603647849 is 948746306329.

The square root of 923603647849 is 961043.

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

923603647849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 17170171225 + 906433476624 = 131035^2 + 952068^2 .

It is not a de Polignac number, because 923603647849 - 2¹⁷ = 923603516777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (923603647859) 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, 345013099 + ... + 345015775.

Almost surely, 2^923603647849 is an apocalyptic number.

923603647849 is the 961043-rd square number.

923603647849 is the 480522-nd centered octagonal number.

It is an amenable number.

923603647849 is a deficient number, since it is larger than the sum of its proper divisors (2925985838).

923603647849 is an frugal number, since it uses more digits than its factorization.

923603647849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6072 (or 3036 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 61.

The spelling of 923603647849 in words is "nine hundred twenty-three billion, six hundred three million, six hundred forty-seven thousand, eight hundred forty-nine".