613505542407 has 8 divisors (see below), whose sum is σ = 820165722240. Its totient is φ = 407924528760.

The previous prime is 613505542387. The next prime is 613505542427. The reversal of 613505542407 is 704245505316.

It is an interprime number because it is at equal distance from previous prime (613505542387) and next prime (613505542427).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 613505542407 - 2¹² = 613505538311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613505542427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269790219 + ... + 269792492.

It is an arithmetic number, because the mean of its divisors is an integer number (102520715280).

Almost surely, 2^613505542407 is an apocalyptic number.

613505542407 is a deficient number, since it is larger than the sum of its proper divisors (206660179833).

613505542407 is a wasteful number, since it uses less digits than its factorization.

613505542407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539583093.

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 613505542407 in words is "six hundred thirteen billion, five hundred five million, five hundred forty-two thousand, four hundred seven".