2194721696304 has 140 divisors (see below), whose sum is σ = 6652689597936. Its totient is φ = 699766252416.

The previous prime is 2194721696287. The next prime is 2194721696317. The reversal of 2194721696304 is 4036961274912.

2194721696304 is a `hidden beast` number, since 2 + 1 + 9 + 472 + 169 + 6 + 3 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3822207 + ... + 4358750.

Almost surely, 2^{2194721696304} is an apocalyptic number.

2194721696304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2194721696304 is an abundant number, since it is smaller than the sum of its proper divisors (4457967901632).

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

2194721696304 is an equidigital number, since it uses as much as digits as its factorization.

2194721696304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8181006 (or 8180985 counting only the distinct ones).

The product of its (nonzero) digits is 3919104, while the sum is 54.

The spelling of 2194721696304 in words is "two trillion, one hundred ninety-four billion, seven hundred twenty-one million, six hundred ninety-six thousand, three hundred four".