8199211293 has 24 divisors (see below), whose sum is σ = 14576377088. Its totient is φ = 4324858272.

The previous prime is 8199211291. The next prime is 8199211309. The reversal of 8199211293 is 3921129918.

It is not a de Polignac number, because 8199211293 - 2¹ = 8199211291 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8199211291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5004805 + ... + 5006442.

Almost surely, 2^8199211293 is an apocalyptic number.

It is an amenable number.

8199211293 is a deficient number, since it is larger than the sum of its proper divisors (6377165795).

8199211293 is a wasteful number, since it uses less digits than its factorization.

8199211293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011273 (or 10011270 counting only the distinct ones).

The product of its digits is 69984, while the sum is 45.

The square root of 8199211293 is about 90549.4963707695. The cubic root of 8199211293 is about 2016.4650206626.

The spelling of 8199211293 in words is "eight billion, one hundred ninety-nine million, two hundred eleven thousand, two hundred ninety-three".