615422206104242 has 8 divisors (see below), whose sum is σ = 977435268518556. Its totient is φ = 289610449931392.

The previous prime is 615422206104197. The next prime is 615422206104253. The reversal of 615422206104242 is 242401602224516.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 602442838073521 + 12979368030721 = 24544711^2 + 3602689^2 .

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 615422206104242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9050326560323 + ... + 9050326560390.

Almost surely, 2^{615422206104242} is an apocalyptic number.

615422206104242 is a deficient number, since it is larger than the sum of its proper divisors (362013062414314).

615422206104242 is a wasteful number, since it uses less digits than its factorization.

615422206104242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18100653120732.

The product of its (nonzero) digits is 368640, while the sum is 41.

Adding to 615422206104242 its reverse (242401602224516), we get a palindrome (857823808328758).

The spelling of 615422206104242 in words is "six hundred fifteen trillion, four hundred twenty-two billion, two hundred six million, one hundred four thousand, two hundred forty-two".