556277762271313 has 2 divisors, whose sum is σ = 556277762271314. Its totient is φ = 556277762271312.

The previous prime is 556277762271307. The next prime is 556277762271323. The reversal of 556277762271313 is 313172267772655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 446437049709249 + 109840712562064 = 21129057^2 + 10480492^2 .

It is a cyclic number.

It is not a de Polignac number, because 556277762271313 - 2²⁵ = 556277728716881 is a prime.

It is not a weakly prime, because it can be changed into another prime (556277762271323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278138881135656 + 278138881135657.

It is an arithmetic number, because the mean of its divisors is an integer number (278138881135657).

Almost surely, 2^{556277762271313} is an apocalyptic number.

It is an amenable number.

556277762271313 is a deficient number, since it is larger than the sum of its proper divisors (1).

556277762271313 is an equidigital number, since it uses as much as digits as its factorization.

556277762271313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155584800, while the sum is 64.

The spelling of 556277762271313 in words is "five hundred fifty-six trillion, two hundred seventy-seven billion, seven hundred sixty-two million, two hundred seventy-one thousand, three hundred thirteen".