2231698891296 has 384 divisors, whose sum is σ = 7311991357440. Its totient is φ = 581595033600.

The previous prime is 2231698891291. The next prime is 2231698891309. The reversal of 2231698891296 is 6921988961322.

It is a super-3 number, since 3×2231698891296³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231698891291) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 77959866 + ... + 77988486.

It is an arithmetic number, because the mean of its divisors is an integer number (19041644160).

Almost surely, 2^{2231698891296} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2231698891296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3655995678720).

2231698891296 is an abundant number, since it is smaller than the sum of its proper divisors (5080292466144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231698891296 is a wasteful number, since it uses less digits than its factorization.

2231698891296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28888 (or 28880 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 66.

The spelling of 2231698891296 in words is "two trillion, two hundred thirty-one billion, six hundred ninety-eight million, eight hundred ninety-one thousand, two hundred ninety-six".