613610612442 has 24 divisors (see below), whose sum is σ = 1332132800544. Its totient is φ = 204130233864.

The previous prime is 613610612423. The next prime is 613610612471. The reversal of 613610612442 is 244216016316.

613610612442 is a `hidden beast` number, since 6 + 1 + 36 + 1 + 0 + 612 + 4 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 613610612397 and 613610612406.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33877108 + ... + 33895215.

It is an arithmetic number, because the mean of its divisors is an integer number (55505533356).

Almost surely, 2^613610612442 is an apocalyptic number.

613610612442 is an abundant number, since it is smaller than the sum of its proper divisors (718522188102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613610612442 is a wasteful number, since it uses less digits than its factorization.

613610612442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67772834 (or 67772831 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 613610612442 its reverse (244216016316), we get a palindrome (857826628758).

The spelling of 613610612442 in words is "six hundred thirteen billion, six hundred ten million, six hundred twelve thousand, four hundred forty-two".