89152723730449 has 4 divisors (see below), whose sum is σ = 94397001596964. Its totient is φ = 83908445863936.

The previous prime is 89152723730383. The next prime is 89152723730507. The reversal of 89152723730449 is 94403732725198.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78532066396224 + 10620657334225 = 8861832^2 + 3258935^2 .

It is a cyclic number.

It is not a de Polignac number, because 89152723730449 - 2²⁹ = 89152186859537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89152723737449) 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, 2622138933232 + ... + 2622138933265.

It is an arithmetic number, because the mean of its divisors is an integer number (23599250399241).

Almost surely, 2^{89152723730449} is an apocalyptic number.

It is an amenable number.

89152723730449 is a deficient number, since it is larger than the sum of its proper divisors (5244277866515).

89152723730449 is a wasteful number, since it uses less digits than its factorization.

89152723730449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5244277866514.

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 89152723730449 in words is "eighty-nine trillion, one hundred fifty-two billion, seven hundred twenty-three million, seven hundred thirty thousand, four hundred forty-nine".