89941915642 has 8 divisors (see below), whose sum is σ = 135087407316. Its totient is φ = 44912779872.

The previous prime is 89941915631. The next prime is 89941915649. The reversal of 89941915642 is 24651914998.

It can be written as a sum of positive squares in 2 ways, for example, as 89597850241 + 344065401 = 299329^2 + 18549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (89941915649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29087043 + ... + 29090134.

Almost surely, 2^89941915642 is an apocalyptic number.

89941915642 is a deficient number, since it is larger than the sum of its proper divisors (45145491674).

89941915642 is a wasteful number, since it uses less digits than its factorization.

89941915642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58177952.

The product of its digits is 5598720, while the sum is 58.

The spelling of 89941915642 in words is "eighty-nine billion, nine hundred forty-one million, nine hundred fifteen thousand, six hundred forty-two".