2047978028113 has 2 divisors, whose sum is σ = 2047978028114. Its totient is φ = 2047978028112.

The previous prime is 2047978028093. The next prime is 2047978028167. The reversal of 2047978028113 is 3118208797402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1458725281729 + 589252746384 = 1207777^2 + 767628^2 .

It is a cyclic number.

It is not a de Polignac number, because 2047978028113 - 2⁵ = 2047978028081 is a prime.

It is a super-2 number, since 2×2047978028113² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2047978028513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023989014056 + 1023989014057.

It is an arithmetic number, because the mean of its divisors is an integer number (1023989014057).

Almost surely, 2^{2047978028113} is an apocalyptic number.

It is an amenable number.

2047978028113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047978028113 is an equidigital number, since it uses as much as digits as its factorization.

2047978028113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 2047978028113 in words is "two trillion, forty-seven billion, nine hundred seventy-eight million, twenty-eight thousand, one hundred thirteen".