4061788491 has 4 divisors (see below), whose sum is σ = 5415717992. Its totient is φ = 2707858992.

The previous prime is 4061788483. The next prime is 4061788543. The reversal of 4061788491 is 1948871604.

4061788491 is digitally balanced in base 3, 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.

It is not a de Polignac number, because 4061788491 - 2³ = 4061788483 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4061788491.

It is not an unprimeable number, because it can be changed into a prime (4061788421) 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, 676964746 + ... + 676964751.

It is an arithmetic number, because the mean of its divisors is an integer number (1353929498).

Almost surely, 2^4061788491 is an apocalyptic number.

4061788491 is a deficient number, since it is larger than the sum of its proper divisors (1353929501).

4061788491 is a wasteful number, since it uses less digits than its factorization.

4061788491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1353929500.

The product of its (nonzero) digits is 387072, while the sum is 48.

The square root of 4061788491 is about 63732.1621396921. The cubic root of 4061788491 is about 1595.5329162659.

The spelling of 4061788491 in words is "four billion, sixty-one million, seven hundred eighty-eight thousand, four hundred ninety-one".