9610874219881 has 15 divisors (see below), whose sum is σ = 10572308640615. Its totient is φ = 8736817366200.

The previous prime is 9610874219867. The next prime is 9610874219887. The reversal of 9610874219881 is 1889124780169.

The square root of 9610874219881 is 3100141.

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., 1716909675481 + 7893964544400 = 1310309^2 + 2809620^2 .

It is not a de Polignac number, because 9610874219881 - 2⁹ = 9610874219369 is a prime.

It is a super-2 number, since 2×9610874219881² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9610874219887) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 375104251 + ... + 375129871.

It is an arithmetic number, because the mean of its divisors is an integer number (704820576041).

Almost surely, 2^{9610874219881} is an apocalyptic number.

9610874219881 is the 3100141-st square number.

9610874219881 is the 1550071-st centered octagonal number.

It is an amenable number.

9610874219881 is a deficient number, since it is larger than the sum of its proper divisors (961434420734).

9610874219881 is an frugal number, since it uses more digits than its factorization.

9610874219881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51286 (or 25632 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 64.

Multiplying 9610874219881 by its sum of digits (64), we get a square (615095950072384 = 24801128²).

The spelling of 9610874219881 in words is "nine trillion, six hundred ten billion, eight hundred seventy-four million, two hundred nineteen thousand, eight hundred eighty-one".