89395958309 has 4 divisors (see below), whose sum is σ = 102166809504. Its totient is φ = 76625107116.

The previous prime is 89395958263. The next prime is 89395958347. The reversal of 89395958309 is 90385959398.

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 89395958309 - 2⁸ = 89395958053 is a prime.

It is a super-2 number, since 2×89395958309² (a number of 23 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 (89395958359) 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, 6385425587 + ... + 6385425600.

It is an arithmetic number, because the mean of its divisors is an integer number (25541702376).

Almost surely, 2^89395958309 is an apocalyptic number.

It is an amenable number.

89395958309 is a deficient number, since it is larger than the sum of its proper divisors (12770851195).

89395958309 is a wasteful number, since it uses less digits than its factorization.

89395958309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12770851194.

The product of its (nonzero) digits is 94478400, while the sum is 68.

The spelling of 89395958309 in words is "eighty-nine billion, three hundred ninety-five million, nine hundred fifty-eight thousand, three hundred nine".