4542247142819 has 2 divisors, whose sum is σ = 4542247142820. Its totient is φ = 4542247142818.

The previous prime is 4542247142773. The next prime is 4542247142821. The reversal of 4542247142819 is 9182417422454.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4542247142819 is a prime.

It is a super-2 number, since 2×4542247142819² (a number of 26 digits) contains 22 as substring.

Together with 4542247142821, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4542247145819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2271123571409 + 2271123571410.

It is an arithmetic number, because the mean of its divisors is an integer number (2271123571410).

Almost surely, 2^{4542247142819} is an apocalyptic number.

4542247142819 is a deficient number, since it is larger than the sum of its proper divisors (1).

4542247142819 is an equidigital number, since it uses as much as digits as its factorization.

4542247142819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5160960, while the sum is 53.

The spelling of 4542247142819 in words is "four trillion, five hundred forty-two billion, two hundred forty-seven million, one hundred forty-two thousand, eight hundred nineteen".