616427475242 has 16 divisors (see below), whose sum is σ = 933272953800. Its totient is φ = 305337392640.

The previous prime is 616427475239. The next prime is 616427475269. The reversal of 616427475242 is 242574724616.

It can be written as a sum of positive squares in 4 ways, for example, as 609850103041 + 6577372201 = 780929^2 + 81101^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164434 + ... + 1608962.

Almost surely, 2^616427475242 is an apocalyptic number.

616427475242 is a deficient number, since it is larger than the sum of its proper divisors (316845478558).

616427475242 is a wasteful number, since it uses less digits than its factorization.

616427475242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451001.

The product of its digits is 4515840, while the sum is 50.

The spelling of 616427475242 in words is "six hundred sixteen billion, four hundred twenty-seven million, four hundred seventy-five thousand, two hundred forty-two".