613344021355 has 16 divisors (see below), whose sum is σ = 792719794944. Its totient is φ = 452879199360.

The previous prime is 613344021203. The next prime is 613344021371. The reversal of 613344021355 is 553120443316.

It is not a de Polignac number, because 613344021355 - 2²¹ = 613341924203 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38502 + ... + 1108228.

It is an arithmetic number, because the mean of its divisors is an integer number (49544987184).

Almost surely, 2^613344021355 is an apocalyptic number.

613344021355 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

613344021355 is a deficient number, since it is larger than the sum of its proper divisors (179375773589).

613344021355 is a wasteful number, since it uses less digits than its factorization.

613344021355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078566.

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

The spelling of 613344021355 in words is "six hundred thirteen billion, three hundred forty-four million, twenty-one thousand, three hundred fifty-five".