4013916991 has 16 divisors (see below), whose sum is σ = 4959285760. Its totient is φ = 3171324960.

The previous prime is 4013916989. The next prime is 4013917007. The reversal of 4013916991 is 1996193104.

It is not a de Polignac number, because 4013916991 - 2¹ = 4013916989 is a prime.

It is a super-2 number, since 2×4013916991² = 32223059221276988162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013916931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402915 + ... + 412756.

It is an arithmetic number, because the mean of its divisors is an integer number (309955360).

Almost surely, 2^4013916991 is an apocalyptic number.

4013916991 is a deficient number, since it is larger than the sum of its proper divisors (945368769).

4013916991 is a wasteful number, since it uses less digits than its factorization.

4013916991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815734.

The product of its (nonzero) digits is 52488, while the sum is 43.

The square root of 4013916991 is about 63355.4811440968. The cubic root of 4013916991 is about 1589.2399081816.

The spelling of 4013916991 in words is "four billion, thirteen million, nine hundred sixteen thousand, nine hundred ninety-one".