613761512243 has 16 divisors (see below), whose sum is σ = 698760594432. Its totient is φ = 533635872000.

The previous prime is 613761512183. The next prime is 613761512257. The reversal of 613761512243 is 342215167316.

It is not a de Polignac number, because 613761512243 - 2³⁶ = 545042035507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 613761512243.

It is not an unprimeable number, because it can be changed into a prime (613761542243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1829078 + ... + 2138468.

It is an arithmetic number, because the mean of its divisors is an integer number (43672537152).

Almost surely, 2^613761512243 is an apocalyptic number.

613761512243 is a deficient number, since it is larger than the sum of its proper divisors (84999082189).

613761512243 is a wasteful number, since it uses less digits than its factorization.

613761512243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317266.

The product of its digits is 181440, while the sum is 41.

Adding to 613761512243 its reverse (342215167316), we get a palindrome (955976679559).

The spelling of 613761512243 in words is "six hundred thirteen billion, seven hundred sixty-one million, five hundred twelve thousand, two hundred forty-three".