8185074453 has 12 divisors (see below), whose sum is σ = 11909185548. Its totient is φ = 5416885440.

The previous prime is 8185074433. The next prime is 8185074479. The reversal of 8185074453 is 3544705818.

8185074453 is a `hidden beast` number, since 81 + 8 + 50 + 74 + 453 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5121119844 + 3063954609 = 71562^2 + 55353^2 .

It is not a de Polignac number, because 8185074453 - 2¹³ = 8185066261 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8185074399 and 8185074408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8185074433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3317938 + ... + 3320403.

It is an arithmetic number, because the mean of its divisors is an integer number (992432129).

Almost surely, 2^8185074453 is an apocalyptic number.

It is an amenable number.

8185074453 is a deficient number, since it is larger than the sum of its proper divisors (3724111095).

8185074453 is a wasteful number, since it uses less digits than its factorization.

8185074453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6638484 (or 6638481 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 8185074453 is about 90471.4012989740. The cubic root of 8185074453 is about 2015.3054439920.

The spelling of 8185074453 in words is "eight billion, one hundred eighty-five million, seventy-four thousand, four hundred fifty-three".