542214202109 has 2 divisors, whose sum is σ = 542214202110. Its totient is φ = 542214202108.

The previous prime is 542214202097. The next prime is 542214202111. The reversal of 542214202109 is 901202412245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416599248025 + 125614954084 = 645445^2 + 354422^2 .

It is a cyclic number.

It is not a de Polignac number, because 542214202109 - 2¹⁶ = 542214136573 is a prime.

Together with 542214202111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542214202169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271107101054 + 271107101055.

It is an arithmetic number, because the mean of its divisors is an integer number (271107101055).

Almost surely, 2^542214202109 is an apocalyptic number.

It is an amenable number.

542214202109 is a deficient number, since it is larger than the sum of its proper divisors (1).

542214202109 is an equidigital number, since it uses as much as digits as its factorization.

542214202109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 542214202109 in words is "five hundred forty-two billion, two hundred fourteen million, two hundred two thousand, one hundred nine".