613434655 has 8 divisors (see below), whose sum is σ = 756016992. Its totient is φ = 477484128.

The previous prime is 613434641. The next prime is 613434659. The reversal of 613434655 is 556434316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 613434655 - 2⁷ = 613434527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613434659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1657747 + ... + 1658116.

It is an arithmetic number, because the mean of its divisors is an integer number (94502124).

Almost surely, 2^613434655 is an apocalyptic number.

613434655 is a deficient number, since it is larger than the sum of its proper divisors (142582337).

613434655 is a wasteful number, since it uses less digits than its factorization.

613434655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315905.

The product of its digits is 129600, while the sum is 37.

The square root of 613434655 is about 24767.6130258852. The cubic root of 613434655 is about 849.6813823130.

The spelling of 613434655 in words is "six hundred thirteen million, four hundred thirty-four thousand, six hundred fifty-five".