2194252689285 has 24 divisors (see below), whose sum is σ = 4027099054680. Its totient is φ = 1101428800512.

The previous prime is 2194252689283. The next prime is 2194252689323. The reversal of 2194252689285 is 5829862524912.

It is a happy number.

2194252689285 is a `hidden beast` number, since 2 + 1 + 9 + 4 + 2 + 526 + 89 + 28 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 287641287684 + 1906611401601 = 536322^2 + 1380801^2 .

It is not a de Polignac number, because 2194252689285 - 2¹ = 2194252689283 is a prime.

It is a super-2 number, since 2×2194252689285² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194252689283) 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, 1434151320 + ... + 1434152849.

It is an arithmetic number, because the mean of its divisors is an integer number (167795793945).

Almost surely, 2^{2194252689285} is an apocalyptic number.

It is an amenable number.

2194252689285 is a deficient number, since it is larger than the sum of its proper divisors (1832846365395).

2194252689285 is a wasteful number, since it uses less digits than its factorization.

2194252689285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868304197 (or 2868304194 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

The spelling of 2194252689285 in words is "two trillion, one hundred ninety-four billion, two hundred fifty-two million, six hundred eighty-nine thousand, two hundred eighty-five".