4291891059 has 4 divisors (see below), whose sum is σ = 5722521416. Its totient is φ = 2861260704.

The previous prime is 4291891049. The next prime is 4291891063. The reversal of 4291891059 is 9501981924.

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

It is not a de Polignac number, because 4291891059 - 2¹⁶ = 4291825523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4291890999 and 4291891017.

It is not an unprimeable number, because it can be changed into a prime (4291891049) 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, 715315174 + ... + 715315179.

It is an arithmetic number, because the mean of its divisors is an integer number (1430630354).

Almost surely, 2^4291891059 is an apocalyptic number.

4291891059 is a deficient number, since it is larger than the sum of its proper divisors (1430630357).

4291891059 is a wasteful number, since it uses less digits than its factorization.

4291891059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430630356.

The product of its (nonzero) digits is 233280, while the sum is 48.

The square root of 4291891059 is about 65512.5259702295. The cubic root of 4291891059 is about 1625.1105009196.

The spelling of 4291891059 in words is "four billion, two hundred ninety-one million, eight hundred ninety-one thousand, fifty-nine".