89133633439 has 16 divisors (see below), whose sum is σ = 90760849920. Its totient is φ = 87519856320.

The previous prime is 89133633409. The next prime is 89133633461. The reversal of 89133633439 is 93433633198.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89133633439 is a prime.

It is a super-2 number, since 2×89133633439² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89133633409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17870704 + ... + 17875690.

It is an arithmetic number, because the mean of its divisors is an integer number (5672553120).

Almost surely, 2^89133633439 is an apocalyptic number.

89133633439 is a deficient number, since it is larger than the sum of its proper divisors (1627216481).

89133633439 is a wasteful number, since it uses less digits than its factorization.

89133633439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6270.

The product of its digits is 3779136, while the sum is 52.

The spelling of 89133633439 in words is "eighty-nine billion, one hundred thirty-three million, six hundred thirty-three thousand, four hundred thirty-nine".