613643006 has 4 divisors (see below), whose sum is σ = 920464512. Its totient is φ = 306821502.

The previous prime is 613642993. The next prime is 613643021. The reversal of 613643006 is 600346316.

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

It is a self number, because there is not a number n which added to its sum of digits gives 613643006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153410750 + ... + 153410753.

It is an arithmetic number, because the mean of its divisors is an integer number (230116128).

Almost surely, 2^613643006 is an apocalyptic number.

613643006 is a deficient number, since it is larger than the sum of its proper divisors (306821506).

613643006 is a wasteful number, since it uses less digits than its factorization.

613643006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306821505.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 613643006 is about 24771.8187866777. The cubic root of 613643006 is about 849.7775685573. Note that the first 3 decimals are identical.

The spelling of 613643006 in words is "six hundred thirteen million, six hundred forty-three thousand, six".