8499719311 has 4 divisors (see below), whose sum is σ = 8502878232. Its totient is φ = 8496560392.

The previous prime is 8499719287. The next prime is 8499719329. The reversal of 8499719311 is 1139179948.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8499719311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8499719351) 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, 1575421 + ... + 1580806.

It is an arithmetic number, because the mean of its divisors is an integer number (2125719558).

Almost surely, 2^8499719311 is an apocalyptic number.

8499719311 is a deficient number, since it is larger than the sum of its proper divisors (3158921).

8499719311 is a wasteful number, since it uses less digits than its factorization.

8499719311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3158920.

The product of its digits is 489888, while the sum is 52.

The square root of 8499719311 is about 92193.9223105298. The cubic root of 8499719311 is about 2040.8050864822.

The spelling of 8499719311 in words is "eight billion, four hundred ninety-nine million, seven hundred nineteen thousand, three hundred eleven".