542236425643 has 4 divisors (see below), whose sum is σ = 591530646168. Its totient is φ = 492942205120.

The previous prime is 542236425611. The next prime is 542236425659. The reversal of 542236425643 is 346524632245.

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

It is a cyclic number.

It is not a de Polignac number, because 542236425643 - 2⁵ = 542236425611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542236425593 and 542236425602.

It is not an unprimeable number, because it can be changed into a prime (542236425673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24647110246 + ... + 24647110267.

It is an arithmetic number, because the mean of its divisors is an integer number (147882661542).

Almost surely, 2^542236425643 is an apocalyptic number.

542236425643 is a deficient number, since it is larger than the sum of its proper divisors (49294220525).

542236425643 is a wasteful number, since it uses less digits than its factorization.

542236425643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49294220524.

The product of its digits is 4147200, while the sum is 46.

The spelling of 542236425643 in words is "five hundred forty-two billion, two hundred thirty-six million, four hundred twenty-five thousand, six hundred forty-three".