407716613 has 4 divisors (see below), whose sum is σ = 407824620. Its totient is φ = 407608608.

The previous prime is 407716591. The next prime is 407716691. The reversal of 407716613 is 316617704.

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

It can be written as a sum of positive squares in 2 ways, for example, as 342139009 + 65577604 = 18497^2 + 8098^2 .

It is a cyclic number.

It is not a de Polignac number, because 407716613 - 2⁶ = 407716549 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 (407716213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48128 + ... + 55961.

It is an arithmetic number, because the mean of its divisors is an integer number (101956155).

Almost surely, 2^407716613 is an apocalyptic number.

It is an amenable number.

407716613 is a deficient number, since it is larger than the sum of its proper divisors (108007).

407716613 is a wasteful number, since it uses less digits than its factorization.

407716613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108006.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 407716613 is about 20191.9937846662. The cubic root of 407716613 is about 741.5141949977.

The spelling of 407716613 in words is "four hundred seven million, seven hundred sixteen thousand, six hundred thirteen".