613344021357 has 16 divisors (see below), whose sum is σ = 837762694272. Its totient is φ = 398911265280.

The previous prime is 613344021203. The next prime is 613344021371. The reversal of 613344021357 is 753120443316.

It is a de Polignac number, because none of the positive numbers 2^k-613344021357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613344021457) 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, 6667288 + ... + 6758654.

It is an arithmetic number, because the mean of its divisors is an integer number (52360168392).

Almost surely, 2^613344021357 is an apocalyptic number.

It is an amenable number.

613344021357 is a deficient number, since it is larger than the sum of its proper divisors (224418672915).

613344021357 is a wasteful number, since it uses less digits than its factorization.

613344021357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145988.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 613344021357 in words is "six hundred thirteen billion, three hundred forty-four million, twenty-one thousand, three hundred fifty-seven".