2061444463 has 16 divisors (see below), whose sum is σ = 2474327520. Its totient is φ = 1696674816.

The previous prime is 2061444461. The next prime is 2061444481. The reversal of 2061444463 is 3644441602.

It is a cyclic number.

It is not a de Polignac number, because 2061444463 - 2¹ = 2061444461 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 (2061444461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241270 + ... + 249667.

It is an arithmetic number, because the mean of its divisors is an integer number (154645470).

Almost surely, 2^2061444463 is an apocalyptic number.

2061444463 is a deficient number, since it is larger than the sum of its proper divisors (412883057).

2061444463 is a wasteful number, since it uses less digits than its factorization.

2061444463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490986.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2061444463 is about 45403.1327443382. The cubic root of 2061444463 is about 1272.6936571599.

The spelling of 2061444463 in words is "two billion, sixty-one million, four hundred forty-four thousand, four hundred sixty-three".