5001005491 has 8 divisors (see below), whose sum is σ = 5087453184. Its totient is φ = 4914905160.

The previous prime is 5001005473. The next prime is 5001005501. The reversal of 5001005491 is 1945001005.

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 5001005491 - 2⁵ = 5001005459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5001005291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57715 + ... + 115468.

It is an arithmetic number, because the mean of its divisors is an integer number (635931648).

Almost surely, 2^5001005491 is an apocalyptic number.

5001005491 is a deficient number, since it is larger than the sum of its proper divisors (86447693).

5001005491 is a wasteful number, since it uses less digits than its factorization.

5001005491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173681.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 5001005491 is about 70717.7876562891. The cubic root of 5001005491 is about 1710.0905633556.

Adding to 5001005491 its reverse (1945001005), we get a palindrome (6946006496).

The spelling of 5001005491 in words is "five billion, one million, five thousand, four hundred ninety-one".