89901421236496 has 15 divisors (see below), whose sum is σ = 174184077128421. Its totient is φ = 44950691654976.

The previous prime is 89901421236493. The next prime is 89901421236547. The reversal of 89901421236496 is 69463212410998.

The square root of 89901421236496 is 9481636.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 72562525236496 + 17338896000000 = 8518364^2 + 4164000^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89901421236493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36741340 + ... + 39111748.

Almost surely, 2^{89901421236496} is an apocalyptic number.

89901421236496 is the 9481636-th square number.

It is an amenable number.

89901421236496 is a deficient number, since it is larger than the sum of its proper divisors (84282655891925).

89901421236496 is an frugal number, since it uses more digits than its factorization.

89901421236496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4740826 (or 2370411 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 89901421236496 in words is "eighty-nine trillion, nine hundred one billion, four hundred twenty-one million, two hundred thirty-six thousand, four hundred ninety-six".