9896218801 has 12 divisors (see below), whose sum is σ = 11823063348. Its totient is φ = 8253215712.

The previous prime is 9896218769. The next prime is 9896218807. The reversal of 9896218801 is 1088126989.

It can be written as a sum of positive squares in 2 ways, for example, as 6557112576 + 3339106225 = 80976^2 + 57785^2 .

It is not a de Polignac number, because 9896218801 - 2⁵ = 9896218769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9896218807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2727426 + ... + 2731051.

It is an arithmetic number, because the mean of its divisors is an integer number (985255279).

Almost surely, 2^9896218801 is an apocalyptic number.

It is an amenable number.

9896218801 is a deficient number, since it is larger than the sum of its proper divisors (1926844547).

9896218801 is a wasteful number, since it uses less digits than its factorization.

9896218801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5458528 (or 5458521 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 52.

The square root of 9896218801 is about 99479.7406560753. The cubic root of 9896218801 is about 2146.9557638111.

The spelling of 9896218801 in words is "nine billion, eight hundred ninety-six million, two hundred eighteen thousand, eight hundred one".