613553540365602 has 80 divisors (see below), whose sum is σ = 1408363741323000. Its totient is φ = 199527160170240.

The previous prime is 613553540365559. The next prime is 613553540365627. The reversal of 613553540365602 is 206563045355316.

613553540365602 is a `hidden beast` number, since 6 + 1 + 3 + 5 + 5 + 3 + 5 + 40 + 36 + 560 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 602733973510881 + 10819566854721 = 24550641^2 + 3289311^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 587089024 + ... + 588133172.

Almost surely, 2^{613553540365602} is an apocalyptic number.

613553540365602 is an abundant number, since it is smaller than the sum of its proper divisors (794810200957398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613553540365602 is a wasteful number, since it uses less digits than its factorization.

613553540365602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132673 (or 1132664 counting only the distinct ones).

The product of its (nonzero) digits is 29160000, while the sum is 54.

The spelling of 613553540365602 in words is "six hundred thirteen trillion, five hundred fifty-three billion, five hundred forty million, three hundred sixty-five thousand, six hundred two".