2056004739539 has 6 divisors (see below), whose sum is σ = 2184060398364. Its totient is φ = 1935063284000.

The previous prime is 2056004739517. The next prime is 2056004739557. The reversal of 2056004739539 is 9359374006502.

It is a de Polignac number, because none of the positive numbers 2^k-2056004739539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2056004739559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3557101337 + ... + 3557101914.

It is an arithmetic number, because the mean of its divisors is an integer number (364010066394).

Almost surely, 2^{2056004739539} is an apocalyptic number.

2056004739539 is a deficient number, since it is larger than the sum of its proper divisors (128055658825).

2056004739539 is an equidigital number, since it uses as much as digits as its factorization.

2056004739539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7114203285 (or 7114203268 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 53.

The spelling of 2056004739539 in words is "two trillion, fifty-six billion, four million, seven hundred thirty-nine thousand, five hundred thirty-nine".