4013268991 has 8 divisors (see below), whose sum is σ = 4107565440. Its totient is φ = 3919016472.

The previous prime is 4013268953. The next prime is 4013269003. The reversal of 4013268991 is 1998623104.

It is a happy number.

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 4013268991 - 2¹³ = 4013260799 is a prime.

It is a super-2 number, since 2×4013268991² = 32212655988244316162, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013268691) 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, 240600 + ... + 256738.

It is an arithmetic number, because the mean of its divisors is an integer number (513445680).

Almost surely, 2^4013268991 is an apocalyptic number.

4013268991 is a deficient number, since it is larger than the sum of its proper divisors (94296449).

4013268991 is a wasteful number, since it uses less digits than its factorization.

4013268991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21965.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 4013268991 is about 63350.3669365853. The cubic root of 4013268991 is about 1589.1543821741.

The spelling of 4013268991 in words is "four billion, thirteen million, two hundred sixty-eight thousand, nine hundred ninety-one".