8101254218 has 4 divisors (see below), whose sum is σ = 12151881330. Its totient is φ = 4050627108.

The previous prime is 8101254193. The next prime is 8101254251. The reversal of 8101254218 is 8124521018.

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

It can be written as a sum of positive squares in only one way, i.e., 8096940289 + 4313929 = 89983^2 + 2077^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2025313553 + ... + 2025313556.

Almost surely, 2^8101254218 is an apocalyptic number.

8101254218 is a deficient number, since it is larger than the sum of its proper divisors (4050627112).

8101254218 is a wasteful number, since it uses less digits than its factorization.

8101254218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4050627111.

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 8101254218 is about 90006.9676080691. The cubic root of 8101254218 is about 2008.4025010519.

The spelling of 8101254218 in words is "eight billion, one hundred one million, two hundred fifty-four thousand, two hundred eighteen".