542898621227 has 4 divisors (see below), whose sum is σ = 543077150616. Its totient is φ = 542720091840.

The previous prime is 542898621197. The next prime is 542898621257. The reversal of 542898621227 is 722126898245.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (542898621197) and next prime (542898621257).

It is a cyclic number.

It is not a de Polignac number, because 542898621227 - 2¹⁰ = 542898620203 is a prime.

It is a super-2 number, since 2×542898621227² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542898621257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89260133 + ... + 89266214.

It is an arithmetic number, because the mean of its divisors is an integer number (135769287654).

Almost surely, 2^542898621227 is an apocalyptic number.

542898621227 is a deficient number, since it is larger than the sum of its proper divisors (178529389).

542898621227 is a wasteful number, since it uses less digits than its factorization.

542898621227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178529388.

The product of its digits is 7741440, while the sum is 56.

The spelling of 542898621227 in words is "five hundred forty-two billion, eight hundred ninety-eight million, six hundred twenty-one thousand, two hundred twenty-seven".