2194692867612 has 144 divisors (see below), whose sum is σ = 6503819492352. Its totient is φ = 610917500160.

The previous prime is 2194692867581. The next prime is 2194692867637. The reversal of 2194692867612 is 2167682964912.

2194692867612 is a `hidden beast` number, since 2 + 1 + 9 + 4 + 6 + 9 + 2 + 8 + 6 + 7 + 612 = 666.

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

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 2194692867612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7365273 + ... + 7657455.

Almost surely, 2^{2194692867612} 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 2194692867612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3251909746176).

2194692867612 is an abundant number, since it is smaller than the sum of its proper divisors (4309126624740).

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

2194692867612 is a wasteful number, since it uses less digits than its factorization.

2194692867612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292968 (or 292963 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 2194692867612 in words is "two trillion, one hundred ninety-four billion, six hundred ninety-two million, eight hundred sixty-seven thousand, six hundred twelve".