4168621013 has 8 divisors (see below), whose sum is σ = 4181136960. Its totient is φ = 4156120800.

The previous prime is 4168621007. The next prime is 4168621019. The reversal of 4168621013 is 3101268614.

It is an interprime number because it is at equal distance from previous prime (4168621007) and next prime (4168621019).

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

It is a cyclic number.

It is not a de Polignac number, because 4168621013 - 2⁴ = 4168620997 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 (4168621019) 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, 709538 + ... + 715388.

It is an arithmetic number, because the mean of its divisors is an integer number (522642120).

Almost surely, 2^4168621013 is an apocalyptic number.

It is an amenable number.

4168621013 is a deficient number, since it is larger than the sum of its proper divisors (12515947).

4168621013 is a wasteful number, since it uses less digits than its factorization.

4168621013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7867.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 4168621013 is about 64564.8589636809. The cubic root of 4168621013 is about 1609.4005217698.

Adding to 4168621013 its reverse (3101268614), we get a palindrome (7269889627).

The spelling of 4168621013 in words is "four billion, one hundred sixty-eight million, six hundred twenty-one thousand, thirteen".