2231945844579 has 24 divisors (see below), whose sum is σ = 3517121999664. Its totient is φ = 1352649672000.

The previous prime is 2231945844553. The next prime is 2231945844599. The reversal of 2231945844579 is 9754485491322.

It is a happy number.

2231945844579 is a `hidden beast` number, since 2 + 2 + 3 + 1 + 9 + 4 + 58 + 4 + 4 + 579 = 666.

It is not a de Polignac number, because 2231945844579 - 2²⁷ = 2231811626851 is a prime.

It is a super-3 number, since 3×2231945844579³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231945844599) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2765169 + ... + 3479949.

It is an arithmetic number, because the mean of its divisors is an integer number (146546749986).

Almost surely, 2^{2231945844579} is an apocalyptic number.

2231945844579 is a deficient number, since it is larger than the sum of its proper divisors (1285176155085).

2231945844579 is a wasteful number, since it uses less digits than its factorization.

2231945844579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746339 (or 746336 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 2231945844579 in words is "two trillion, two hundred thirty-one billion, nine hundred forty-five million, eight hundred forty-four thousand, five hundred seventy-nine".