545421242642 has 8 divisors (see below), whose sum is σ = 840243536076. Its totient is φ = 265340063952.

The previous prime is 545421242563. The next prime is 545421242651. The reversal of 545421242642 is 246242124545.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 543023083801 + 2398158841 = 736901^2 + 48971^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 545421242642.

It is an unprimeable number.

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, 3685278593 + ... + 3685278740.

Almost surely, 2^545421242642 is an apocalyptic number.

545421242642 is a deficient number, since it is larger than the sum of its proper divisors (294822293434).

545421242642 is a wasteful number, since it uses less digits than its factorization.

545421242642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370557372.

The product of its digits is 614400, while the sum is 41.

The spelling of 545421242642 in words is "five hundred forty-five billion, four hundred twenty-one million, two hundred forty-two thousand, six hundred forty-two".