89159743509 has 4 divisors (see below), whose sum is σ = 118879658016. Its totient is φ = 59439829004.

The previous prime is 89159743459. The next prime is 89159743523. The reversal of 89159743509 is 90534795198.

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 89159743509 - 2⁷ = 89159743381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89159743559) 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, 14859957249 + ... + 14859957254.

It is an arithmetic number, because the mean of its divisors is an integer number (29719914504).

Almost surely, 2^89159743509 is an apocalyptic number.

It is an amenable number.

89159743509 is a deficient number, since it is larger than the sum of its proper divisors (29719914507).

89159743509 is a wasteful number, since it uses less digits than its factorization.

89159743509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29719914506.

The product of its (nonzero) digits is 12247200, while the sum is 60.

The spelling of 89159743509 in words is "eighty-nine billion, one hundred fifty-nine million, seven hundred forty-three thousand, five hundred nine".