849672353025 has 36 divisors (see below), whose sum is σ = 1529742942988. Its totient is φ = 450810593280.

The previous prime is 849672353017. The next prime is 849672353027. The reversal of 849672353025 is 520353276948.

849672353025 is a `hidden beast` number, since 8 + 4 + 9 + 67 + 23 + 530 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 63582648336 + 786089704689 = 252156^2 + 886617^2 .

It is not a de Polignac number, because 849672353025 - 2³ = 849672353017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (849672353027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9739792 + ... + 9826641.

Almost surely, 2^849672353025 is an apocalyptic number.

It is an amenable number.

849672353025 is a deficient number, since it is larger than the sum of its proper divisors (680070589963).

849672353025 is a wasteful number, since it uses less digits than its factorization.

849672353025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19566642 (or 19566634 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 849672353025 in words is "eight hundred forty-nine billion, six hundred seventy-two million, three hundred fifty-three thousand, twenty-five".