542433618245 has 4 divisors (see below), whose sum is σ = 650920341900. Its totient is φ = 433946894592.

The previous prime is 542433618203. The next prime is 542433618247. The reversal of 542433618245 is 542816334245.

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

It can be written as a sum of positive squares in 2 ways, for example, as 159122805604 + 383310812641 = 398902^2 + 619121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-542433618245 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 542433618245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542433618247) 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, 54243361820 + ... + 54243361829.

It is an arithmetic number, because the mean of its divisors is an integer number (162730085475).

Almost surely, 2^542433618245 is an apocalyptic number.

It is an amenable number.

542433618245 is a deficient number, since it is larger than the sum of its proper divisors (108486723655).

542433618245 is a wasteful number, since it uses less digits than its factorization.

542433618245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108486723654.

The product of its digits is 2764800, while the sum is 47.

The spelling of 542433618245 in words is "five hundred forty-two billion, four hundred thirty-three million, six hundred eighteen thousand, two hundred forty-five".