8849917439 has 4 divisors (see below), whose sum is σ = 9654455400. Its totient is φ = 8045379480.

The previous prime is 8849917429. The next prime is 8849917441. The reversal of 8849917439 is 9347199488.

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

It is a cyclic number.

It is not a de Polignac number, because 8849917439 - 2⁴ = 8849917423 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 (8849917429) 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, 402268964 + ... + 402268985.

It is an arithmetic number, because the mean of its divisors is an integer number (2413613850).

Almost surely, 2^8849917439 is an apocalyptic number.

8849917439 is a deficient number, since it is larger than the sum of its proper divisors (804537961).

8849917439 is a wasteful number, since it uses less digits than its factorization.

8849917439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804537960.

The product of its digits is 15676416, while the sum is 62.

The square root of 8849917439 is about 94073.9998033463. Note that the first 3 decimals coincide. The cubic root of 8849917439 is about 2068.4565683627.

The spelling of 8849917439 in words is "eight billion, eight hundred forty-nine million, nine hundred seventeen thousand, four hundred thirty-nine".