236895384961 has 27 divisors (see below), whose sum is σ = 246368869929. Its totient is φ = 227784492000.

The previous prime is 236895384953. The next prime is 236895384967. The reversal of 236895384961 is 169483598632.

The square root of 236895384961 is 486719.

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

It can be written as a sum of positive squares in 4 ways, for example, as 76895361 + 236818489600 = 8769^2 + 486640^2 .

It is not a de Polignac number, because 236895384961 - 2³ = 236895384953 is a prime.

It is a super-2 number, since 2×236895384961² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 236895384893 and 236895384902.

It is not an unprimeable number, because it can be changed into a prime (236895384967) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2345498811 + ... + 2345498911.

Almost surely, 2^236895384961 is an apocalyptic number.

236895384961 is the 486719-th square number.

236895384961 is the 243360-th centered octagonal number.

It is an amenable number.

236895384961 is a deficient number, since it is larger than the sum of its proper divisors (9473484968).

236895384961 is an frugal number, since it uses more digits than its factorization.

236895384961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 241 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 64.

Multiplying 236895384961 by its sum of digits (64), we get a square (15161304637504 = 3893752²).

The spelling of 236895384961 in words is "two hundred thirty-six billion, eight hundred ninety-five million, three hundred eighty-four thousand, nine hundred sixty-one".