609250420742 has 16 divisors (see below), whose sum is σ = 995145879600. Its totient is φ = 278640845280.

The previous prime is 609250420733. The next prime is 609250420747. The reversal of 609250420742 is 247024052906.

It is a self number, because there is not a number n which added to its sum of digits gives 609250420742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609250420747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276428309 + ... + 276430512.

It is an arithmetic number, because the mean of its divisors is an integer number (62196617475).

Almost surely, 2^609250420742 is an apocalyptic number.

609250420742 is a deficient number, since it is larger than the sum of its proper divisors (385895458858).

609250420742 is a wasteful number, since it uses less digits than its factorization.

609250420742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552858871.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 609250420742 in words is "six hundred nine billion, two hundred fifty million, four hundred twenty thousand, seven hundred forty-two".