4100407891 has 4 divisors (see below), whose sum is σ = 4111830000. Its totient is φ = 4088985784.

The previous prime is 4100407873. The next prime is 4100407903. The reversal of 4100407891 is 1987040014.

4100407891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1987040014 = 2 ⋅993520007.

It is a cyclic number.

It is not a de Polignac number, because 4100407891 - 2¹⁷ = 4100276819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4100407811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5710516 + ... + 5711233.

It is an arithmetic number, because the mean of its divisors is an integer number (1027957500).

Almost surely, 2^4100407891 is an apocalyptic number.

4100407891 is a deficient number, since it is larger than the sum of its proper divisors (11422109).

4100407891 is a wasteful number, since it uses less digits than its factorization.

4100407891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11422108.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 4100407891 is about 64034.4273887102. The cubic root of 4100407891 is about 1600.5737383812.

The spelling of 4100407891 in words is "four billion, one hundred million, four hundred seven thousand, eight hundred ninety-one".