542747775523 has 2 divisors, whose sum is σ = 542747775524. Its totient is φ = 542747775522.

The previous prime is 542747775511. The next prime is 542747775539. The reversal of 542747775523 is 325577747245.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542747775523 is a prime.

It is a super-3 number, since 3×542747775523³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (542747775503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271373887761 + 271373887762.

It is an arithmetic number, because the mean of its divisors is an integer number (271373887762).

Almost surely, 2^542747775523 is an apocalyptic number.

542747775523 is a deficient number, since it is larger than the sum of its proper divisors (1).

542747775523 is an equidigital number, since it uses as much as digits as its factorization.

542747775523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57624000, while the sum is 58.

The spelling of 542747775523 in words is "five hundred forty-two billion, seven hundred forty-seven million, seven hundred seventy-five thousand, five hundred twenty-three".