542603142649 has 2 divisors, whose sum is σ = 542603142650. Its totient is φ = 542603142648.

The previous prime is 542603142617. The next prime is 542603142677. The reversal of 542603142649 is 946241306245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 440241539049 + 102361603600 = 663507^2 + 319940^2 .

It is a cyclic number.

It is not a de Polignac number, because 542603142649 - 2⁵ = 542603142617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542603142599 and 542603142608.

It is not a weakly prime, because it can be changed into another prime (542603140649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271301571324 + 271301571325.

It is an arithmetic number, because the mean of its divisors is an integer number (271301571325).

Almost surely, 2^542603142649 is an apocalyptic number.

It is an amenable number.

542603142649 is a deficient number, since it is larger than the sum of its proper divisors (1).

542603142649 is an equidigital number, since it uses as much as digits as its factorization.

542603142649 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 542603142649 in words is "five hundred forty-two billion, six hundred three million, one hundred forty-two thousand, six hundred forty-nine".