613476865 has 4 divisors (see below), whose sum is σ = 736172244. Its totient is φ = 490781488.

The previous prime is 613476859. The next prime is 613476893. The reversal of 613476865 is 568674316.

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

It can be written as a sum of positive squares in 2 ways, for example, as 302342544 + 311134321 = 17388^2 + 17639^2 .

It is a cyclic number.

It is not a de Polignac number, because 613476865 - 2¹⁹ = 612952577 is a prime.

It is a Duffinian number.

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, 61347682 + ... + 61347691.

It is an arithmetic number, because the mean of its divisors is an integer number (184043061).

Almost surely, 2^613476865 is an apocalyptic number.

It is an amenable number.

613476865 is a deficient number, since it is larger than the sum of its proper divisors (122695379).

613476865 is a wasteful number, since it uses less digits than its factorization.

613476865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122695378.

The product of its digits is 725760, while the sum is 46.

The square root of 613476865 is about 24768.4651320989. The cubic root of 613476865 is about 849.7008705221.

The spelling of 613476865 in words is "six hundred thirteen million, four hundred seventy-six thousand, eight hundred sixty-five".