2194711089625 has 16 divisors (see below), whose sum is σ = 2764127892240. Its totient is φ = 1739660889600.

The previous prime is 2194711089617. The next prime is 2194711089629. The reversal of 2194711089625 is 5269801174912.

It can be written as a sum of positive squares in 8 ways, for example, as 1207396601856 + 987314487769 = 1098816^2 + 993637^2 .

It is not a de Polignac number, because 2194711089625 - 2³ = 2194711089617 is a prime.

It is a super-3 number, since 3×2194711089625³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2194711089629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80526232 + ... + 80553481.

It is an arithmetic number, because the mean of its divisors is an integer number (172757993265).

Almost surely, 2^{2194711089625} is an apocalyptic number.

2194711089625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2194711089625 is a deficient number, since it is larger than the sum of its proper divisors (569416802615).

2194711089625 is a wasteful number, since it uses less digits than its factorization.

2194711089625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161079837 (or 161079827 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 55.

The spelling of 2194711089625 in words is "two trillion, one hundred ninety-four billion, seven hundred eleven million, eighty-nine thousand, six hundred twenty-five".