2193989070936 has 128 divisors (see below), whose sum is σ = 5949613555200. Its totient is φ = 670203663360.

The previous prime is 2193989070893. The next prime is 2193989070953. The reversal of 2193989070936 is 6390709893912.

It is a happy number.

It is a super-2 number, since 2×2193989070936² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34426381 + ... + 34490051.

It is an arithmetic number, because the mean of its divisors is an integer number (46481355900).

Almost surely, 2^{2193989070936} is an apocalyptic number.

2193989070936 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2193989070936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2974806777600).

2193989070936 is an abundant number, since it is smaller than the sum of its proper divisors (3755624484264).

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

2193989070936 is a wasteful number, since it uses less digits than its factorization.

2193989070936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64489 (or 64485 counting only the distinct ones).

The product of its (nonzero) digits is 39680928, while the sum is 66.

The spelling of 2193989070936 in words is "two trillion, one hundred ninety-three billion, nine hundred eighty-nine million, seventy thousand, nine hundred thirty-six".