8213653436 has 12 divisors (see below), whose sum is σ = 14375431560. Its totient is φ = 4106387280.

The previous prime is 8213653433. The next prime is 8213653439. The reversal of 8213653436 is 6343563128.

It is an interprime number because it is at equal distance from previous prime (8213653433) and next prime (8213653439).

It is a junction number, because it is equal to n+sod(n) for n = 8213653393 and 8213653402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8213653433) 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, 65846 + ... + 144093.

It is an arithmetic number, because the mean of its divisors is an integer number (1197952630).

Almost surely, 2^8213653436 is an apocalyptic number.

It is an amenable number.

8213653436 is a deficient number, since it is larger than the sum of its proper divisors (6161778124).

8213653436 is a wasteful number, since it uses less digits than its factorization.

8213653436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219724 (or 219722 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 8213653436 is about 90629.2085146946. The cubic root of 8213653436 is about 2017.6482643207.

The spelling of 8213653436 in words is "eight billion, two hundred thirteen million, six hundred fifty-three thousand, four hundred thirty-six".