8358504989 has 4 divisors (see below), whose sum is σ = 8375256000. Its totient is φ = 8341753980.

The previous prime is 8358504977. The next prime is 8358505009. The reversal of 8358504989 is 9894058538.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8358504989 - 2¹² = 8358500893 is a prime.

It is a super-2 number, since 2×8358504989² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8358504929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8374757 + ... + 8375754.

It is an arithmetic number, because the mean of its divisors is an integer number (2093814000).

Almost surely, 2^8358504989 is an apocalyptic number.

It is an amenable number.

8358504989 is a deficient number, since it is larger than the sum of its proper divisors (16751011).

8358504989 is a wasteful number, since it uses less digits than its factorization.

8358504989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16751010.

The product of its (nonzero) digits is 12441600, while the sum is 59.

The square root of 8358504989 is about 91424.8597975408. The cubic root of 8358504989 is about 2029.4399345536.

The spelling of 8358504989 in words is "eight billion, three hundred fifty-eight million, five hundred four thousand, nine hundred eighty-nine".