4091872059 has 30 divisors (see below), whose sum is σ = 6671349036. Its totient is φ = 2478765240.

The previous prime is 4091872019. The next prime is 4091872097. The reversal of 4091872059 is 9502781904.

It is not a de Polignac number, because 4091872059 - 2²⁴ = 4075094843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4091872019) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1908342 + ... + 1910484.

Almost surely, 2^4091872059 is an apocalyptic number.

4091872059 is a deficient number, since it is larger than the sum of its proper divisors (2579476977).

4091872059 is an frugal number, since it uses more digits than its factorization.

4091872059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4309 (or 2157 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 4091872059 is about 63967.7423315846. The cubic root of 4091872059 is about 1599.4623270199.

The spelling of 4091872059 in words is "four billion, ninety-one million, eight hundred seventy-two thousand, fifty-nine".