8133003399 has 4 divisors (see below), whose sum is σ = 10844004536. Its totient is φ = 5422002264.

The previous prime is 8133003379. The next prime is 8133003401. The reversal of 8133003399 is 9933003318.

It is a happy number.

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

It is not a de Polignac number, because 8133003399 - 2⁹ = 8133002887 is a prime.

It is a super-2 number, since 2×8133003399² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8133003379) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355500564 + ... + 1355500569.

It is an arithmetic number, because the mean of its divisors is an integer number (2711001134).

Almost surely, 2^8133003399 is an apocalyptic number.

8133003399 is a deficient number, since it is larger than the sum of its proper divisors (2711001137).

8133003399 is a wasteful number, since it uses less digits than its factorization.

8133003399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711001136.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 8133003399 is about 90183.1658293276. The cubic root of 8133003399 is about 2011.0227544194.

The spelling of 8133003399 in words is "eight billion, one hundred thirty-three million, three thousand, three hundred ninety-nine".