9881223653810 has 8 divisors (see below), whose sum is σ = 17786202576876. Its totient is φ = 3952489461520.

The previous prime is 9881223653783. The next prime is 9881223653849. The reversal of 9881223653810 is 183563221889.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9795666818809 + 85556835001 = 3129803^2 + 292501^2 .

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

It is a super-2 number, since 2×9881223653810² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 494061182681 + ... + 494061182700.

Almost surely, 2^{9881223653810} is an apocalyptic number.

9881223653810 is a deficient number, since it is larger than the sum of its proper divisors (7904978923066).

9881223653810 is a wasteful number, since it uses less digits than its factorization.

9881223653810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988122365388.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 9881223653810 in words is "nine trillion, eight hundred eighty-one billion, two hundred twenty-three million, six hundred fifty-three thousand, eight hundred ten".