8461726265 has 4 divisors (see below), whose sum is σ = 10154071524. Its totient is φ = 6769381008.

The previous prime is 8461726249. The next prime is 8461726267. The reversal of 8461726265 is 5626271648.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6065917456 + 2395808809 = 77884^2 + 48947^2 .

It is a cyclic number.

It is not a de Polignac number, because 8461726265 - 2⁴ = 8461726249 is a prime.

It is a super-2 number, since 2×8461726265² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8461726267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846172622 + ... + 846172631.

It is an arithmetic number, because the mean of its divisors is an integer number (2538517881).

Almost surely, 2^8461726265 is an apocalyptic number.

It is an amenable number.

8461726265 is a deficient number, since it is larger than the sum of its proper divisors (1692345259).

8461726265 is a wasteful number, since it uses less digits than its factorization.

8461726265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692345258.

The product of its digits is 967680, while the sum is 47.

The square root of 8461726265 is about 91987.6419145528. The cubic root of 8461726265 is about 2037.7598009638.

The spelling of 8461726265 in words is "eight billion, four hundred sixty-one million, seven hundred twenty-six thousand, two hundred sixty-five".