8268491425 has 12 divisors (see below), whose sum is σ = 10272624876. Its totient is φ = 6602086400.

The previous prime is 8268491411. The next prime is 8268491431. The reversal of 8268491425 is 5241948628.

8268491425 is digitally balanced in base 3, 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 6 ways, for example, as 210018064 + 8058473361 = 14492^2 + 89769^2 .

It is not a de Polignac number, because 8268491425 - 2⁹ = 8268490913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 304384 + ... + 330433.

It is an arithmetic number, because the mean of its divisors is an integer number (856052073).

Almost surely, 2^8268491425 is an apocalyptic number.

It is an amenable number.

8268491425 is a deficient number, since it is larger than the sum of its proper divisors (2004133451).

8268491425 is a wasteful number, since it uses less digits than its factorization.

8268491425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635348 (or 635343 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 8268491425 is about 90931.2455924805. The cubic root of 8268491425 is about 2022.1285461606.

The spelling of 8268491425 in words is "eight billion, two hundred sixty-eight million, four hundred ninety-one thousand, four hundred twenty-five".