613042670745 has 12 divisors (see below), whose sum is σ = 1062607296036. Its totient is φ = 326956091040.

The previous prime is 613042670717. The next prime is 613042670761. The reversal of 613042670745 is 547076240316.

613042670745 is a `hidden beast` number, since 61 + 30 + 426 + 70 + 74 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 393746210064 + 219296460681 = 627492^2 + 468291^2 .

It is not a de Polignac number, because 613042670745 - 2¹⁷ = 613042539673 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 13623170461 = 613042670745 / (6 + 1 + 3 + 0 + 4 + 2 + 6 + 7 + 0 + 7 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 613042670745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6811585186 + ... + 6811585275.

It is an arithmetic number, because the mean of its divisors is an integer number (88550608003).

Almost surely, 2^613042670745 is an apocalyptic number.

It is an amenable number.

613042670745 is a deficient number, since it is larger than the sum of its proper divisors (449564625291).

613042670745 is a wasteful number, since it uses less digits than its factorization.

613042670745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13623170472 (or 13623170469 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 613042670745 in words is "six hundred thirteen billion, forty-two million, six hundred seventy thousand, seven hundred forty-five".