2061992443138 has 8 divisors (see below), whose sum is σ = 3139152674832. Its totient is φ = 1015608218196.

The previous prime is 2061992443061. The next prime is 2061992443139. The reversal of 2061992443138 is 8313442991602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2061992443139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7694001520 + ... + 7694001787.

It is an arithmetic number, because the mean of its divisors is an integer number (392394084354).

Almost surely, 2^{2061992443138} is an apocalyptic number.

2061992443138 is a deficient number, since it is larger than the sum of its proper divisors (1077160231694).

2061992443138 is a wasteful number, since it uses less digits than its factorization.

2061992443138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15388003376.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 2061992443138 in words is "two trillion, sixty-one billion, nine hundred ninety-two million, four hundred forty-three thousand, one hundred thirty-eight".