2231695380996 has 27 divisors (see below), whose sum is σ = 5641252648213. Its totient is φ = 743895472560.

The previous prime is 2231695380917. The next prime is 2231695381021. The reversal of 2231695380996 is 6990835961322.

The square root of 2231695380996 is 1493886.

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

2231695380996 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 6 + 9 + 538 + 0 + 9 + 96 = 666.

It can be written as a sum of positive squares in only one way, i.e., 116066950596 + 2115628430400 = 340686^2 + 1454520^2 .

It is a super-3 number, since 3×2231695380996³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 8838826 + ... + 9087806.

Almost surely, 2^{2231695380996} is an apocalyptic number.

2231695380996 is the 1493886-th square number.

It is an amenable number.

2231695380996 is an abundant number, since it is smaller than the sum of its proper divisors (3409557267217).

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

2231695380996 is an frugal number, since it uses more digits than its factorization.

2231695380996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497972 (or 248986 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 63.

The spelling of 2231695380996 in words is "two trillion, two hundred thirty-one billion, six hundred ninety-five million, three hundred eighty thousand, nine hundred ninety-six".