613842743 has 4 divisors (see below), whose sum is σ = 615488808. Its totient is φ = 612196680.

The previous prime is 613842727. The next prime is 613842773. The reversal of 613842743 is 347248316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 613842743 - 2⁴ = 613842727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 613842697 and 613842706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613842703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822473 + ... + 823218.

It is an arithmetic number, because the mean of its divisors is an integer number (153872202).

Almost surely, 2^613842743 is an apocalyptic number.

613842743 is a deficient number, since it is larger than the sum of its proper divisors (1646065).

613842743 is a wasteful number, since it uses less digits than its factorization.

613842743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646064.

The product of its digits is 96768, while the sum is 38.

The square root of 613842743 is about 24775.8499955097. The cubic root of 613842743 is about 849.8697576685.

The spelling of 613842743 in words is "six hundred thirteen million, eight hundred forty-two thousand, seven hundred forty-three".