8498436309 has 12 divisors (see below), whose sum is σ = 13391475552. Its totient is φ = 5150567400.

The previous prime is 8498436307. The next prime is 8498436367. The reversal of 8498436309 is 9036348948.

It is a happy number.

It is not a de Polignac number, because 8498436309 - 2¹ = 8498436307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8498436307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42921297 + ... + 42921494.

It is an arithmetic number, because the mean of its divisors is an integer number (1115956296).

Almost surely, 2^8498436309 is an apocalyptic number.

It is an amenable number.

8498436309 is a deficient number, since it is larger than the sum of its proper divisors (4893039243).

8498436309 is a wasteful number, since it uses less digits than its factorization.

8498436309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85842808 (or 85842805 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The square root of 8498436309 is about 92186.9638777631. The cubic root of 8498436309 is about 2040.7023972574.

The spelling of 8498436309 in words is "eight billion, four hundred ninety-eight million, four hundred thirty-six thousand, three hundred nine".