2000770644197 has 4 divisors (see below), whose sum is σ = 2154676078380. Its totient is φ = 1846865210016.

The previous prime is 2000770644167. The next prime is 2000770644251. The reversal of 2000770644197 is 7914460770002.

It is a happy number.

It is a Cunningham number, because it is equal to 1414486²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 295972993156 + 1704797651041 = 544034^2 + 1305679^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000770644197 - 2¹⁰ = 2000770643173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000770644157) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 76952717072 + ... + 76952717097.

It is an arithmetic number, because the mean of its divisors is an integer number (538669019595).

Almost surely, 2^{2000770644197} is an apocalyptic number.

It is an amenable number.

2000770644197 is a deficient number, since it is larger than the sum of its proper divisors (153905434183).

2000770644197 is a wasteful number, since it uses less digits than its factorization.

2000770644197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153905434182.

The product of its (nonzero) digits is 592704, while the sum is 47.

The spelling of 2000770644197 in words is "two trillion, seven hundred seventy million, six hundred forty-four thousand, one hundred ninety-seven".