2056270460989 has 2 divisors, whose sum is σ = 2056270460990. Its totient is φ = 2056270460988.

The previous prime is 2056270460971. The next prime is 2056270461023. The reversal of 2056270460989 is 9890640726502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1182340896025 + 873929564964 = 1087355^2 + 934842^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056270460989 - 2¹¹ = 2056270458941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056270461989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028135230494 + 1028135230495.

It is an arithmetic number, because the mean of its divisors is an integer number (1028135230495).

Almost surely, 2^{2056270460989} is an apocalyptic number.

It is an amenable number.

2056270460989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056270460989 is an equidigital number, since it uses as much as digits as its factorization.

2056270460989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 2056270460989 in words is "two trillion, fifty-six billion, two hundred seventy million, four hundred sixty thousand, nine hundred eighty-nine".