4991541069 has 8 divisors (see below), whose sum is σ = 6768191520. Its totient is φ = 3271292336.

The previous prime is 4991541031. The next prime is 4991541089. The reversal of 4991541069 is 9601451994.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4991541069 - 2³¹ = 2844057421 is a prime.

It is a super-2 number, since 2×4991541069² = 49830964487027325522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991541089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14100222 + ... + 14100575.

It is an arithmetic number, because the mean of its divisors is an integer number (846023940).

Almost surely, 2^4991541069 is an apocalyptic number.

It is an amenable number.

4991541069 is a deficient number, since it is larger than the sum of its proper divisors (1776650451).

4991541069 is a wasteful number, since it uses less digits than its factorization.

4991541069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28200859.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 4991541069 is about 70650.8391245285. The cubic root of 4991541069 is about 1709.0110977963.

The spelling of 4991541069 in words is "four billion, nine hundred ninety-one million, five hundred forty-one thousand, sixty-nine".