2061739664943 has 8 divisors (see below), whose sum is σ = 3141698537088. Its totient is φ = 1178136951384.

The previous prime is 2061739664927. The next prime is 2061739664947. The reversal of 2061739664943 is 3494669371602.

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

It is not a de Polignac number, because 2061739664943 - 2⁴ = 2061739664927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061739664947) 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 7 ways as a sum of consecutive naturals, for example, 49089039621 + ... + 49089039662.

It is an arithmetic number, because the mean of its divisors is an integer number (392712317136).

Almost surely, 2^{2061739664943} is an apocalyptic number.

2061739664943 is a deficient number, since it is larger than the sum of its proper divisors (1079958872145).

2061739664943 is an equidigital number, since it uses as much as digits as its factorization.

2061739664943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98178079293.

The product of its (nonzero) digits is 35271936, while the sum is 60.

The spelling of 2061739664943 in words is "two trillion, sixty-one billion, seven hundred thirty-nine million, six hundred sixty-four thousand, nine hundred forty-three".