2065522734461 has 4 divisors (see below), whose sum is σ = 2065798549500. Its totient is φ = 2065246919424.

The previous prime is 2065522734419. The next prime is 2065522734529. The reversal of 2065522734461 is 1644372255602.

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 771400350436 + 1294122384025 = 878294^2 + 1137595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2065522734461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065522734061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137896286 + ... + 137911263.

It is an arithmetic number, because the mean of its divisors is an integer number (516449637375).

Almost surely, 2^{2065522734461} is an apocalyptic number.

It is an amenable number.

2065522734461 is a deficient number, since it is larger than the sum of its proper divisors (275815039).

2065522734461 is an equidigital number, since it uses as much as digits as its factorization.

2065522734461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275815038.

The product of its (nonzero) digits is 2419200, while the sum is 47.

The spelling of 2065522734461 in words is "two trillion, sixty-five billion, five hundred twenty-two million, seven hundred thirty-four thousand, four hundred sixty-one".