613061399479 has 4 divisors (see below), whose sum is σ = 613071648640. Its totient is φ = 613051150320.

The previous prime is 613061399393. The next prime is 613061399519. The reversal of 613061399479 is 974993160316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613061399479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613061391479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5034327 + ... + 5154664.

It is an arithmetic number, because the mean of its divisors is an integer number (153267912160).

Almost surely, 2^613061399479 is an apocalyptic number.

613061399479 is a deficient number, since it is larger than the sum of its proper divisors (10249161).

613061399479 is a wasteful number, since it uses less digits than its factorization.

613061399479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10249160.

The product of its (nonzero) digits is 6613488, while the sum is 58.

The spelling of 613061399479 in words is "six hundred thirteen billion, sixty-one million, three hundred ninety-nine thousand, four hundred seventy-nine".