542647912277 has 2 divisors, whose sum is σ = 542647912278. Its totient is φ = 542647912276.

The previous prime is 542647912249. The next prime is 542647912319. The reversal of 542647912277 is 772219746245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 360433330321 + 182214581956 = 600361^2 + 426866^2 .

It is a cyclic number.

It is not a de Polignac number, because 542647912277 - 2¹⁴ = 542647895893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542647992277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271323956138 + 271323956139.

It is an arithmetic number, because the mean of its divisors is an integer number (271323956139).

Almost surely, 2^542647912277 is an apocalyptic number.

It is an amenable number.

542647912277 is a deficient number, since it is larger than the sum of its proper divisors (1).

542647912277 is an equidigital number, since it uses as much as digits as its factorization.

542647912277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11854080, while the sum is 56.

The spelling of 542647912277 in words is "five hundred forty-two billion, six hundred forty-seven million, nine hundred twelve thousand, two hundred seventy-seven".