613688471 has 8 divisors (see below), whose sum is σ = 677545344. Its totient is φ = 551176120.

The previous prime is 613688419. The next prime is 613688483. The reversal of 613688471 is 174886316.

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

It is not a de Polignac number, because 613688471 - 2⁶ = 613688407 is a prime.

It is a super-3 number, since 3×613688471³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613688171) 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, 335171 + ... + 336996.

It is an arithmetic number, because the mean of its divisors is an integer number (84693168).

Almost surely, 2^613688471 is an apocalyptic number.

613688471 is a deficient number, since it is larger than the sum of its proper divisors (63856873).

613688471 is a wasteful number, since it uses less digits than its factorization.

613688471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672261.

The product of its digits is 193536, while the sum is 44.

The square root of 613688471 is about 24772.7364455363. The cubic root of 613688471 is about 849.7985547999.

The spelling of 613688471 in words is "six hundred thirteen million, six hundred eighty-eight thousand, four hundred seventy-one".