2061449252317 has 16 divisors (see below), whose sum is σ = 2537246263552. Its totient is φ = 1630986658560.

The previous prime is 2061449252299. The next prime is 2061449252321. The reversal of 2061449252317 is 7132529441602.

It is a de Polignac number, because none of the positive numbers 2^k-2061449252317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061449252017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2784133 + ... + 3445909.

It is an arithmetic number, because the mean of its divisors is an integer number (158577891472).

Almost surely, 2^{2061449252317} is an apocalyptic number.

It is an amenable number.

2061449252317 is a deficient number, since it is larger than the sum of its proper divisors (475797011235).

2061449252317 is a wasteful number, since it uses less digits than its factorization.

2061449252317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696028.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 2061449252317 in words is "two trillion, sixty-one billion, four hundred forty-nine million, two hundred fifty-two thousand, three hundred seventeen".