542236422661 has 8 divisors (see below), whose sum is σ = 559482376320. Its totient is φ = 525228344448.

The previous prime is 542236422659. The next prime is 542236422667. The reversal of 542236422661 is 166224632245.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 542236422661 - 2¹ = 542236422659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542236422667) 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 7 ways as a sum of consecutive naturals, for example, 59464231 + ... + 59473348.

It is an arithmetic number, because the mean of its divisors is an integer number (69935297040).

Almost surely, 2^542236422661 is an apocalyptic number.

It is an amenable number.

542236422661 is a deficient number, since it is larger than the sum of its proper divisors (17245953659).

542236422661 is a wasteful number, since it uses less digits than its factorization.

542236422661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118937723.

The product of its digits is 829440, while the sum is 43.

The spelling of 542236422661 in words is "five hundred forty-two billion, two hundred thirty-six million, four hundred twenty-two thousand, six hundred sixty-one".