10000005491 has 8 divisors (see below), whose sum is σ = 11438413824. Its totient is φ = 8564056200.

The previous prime is 10000005487. The next prime is 10000005551. The reversal of 10000005491 is 19450000001.

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

It is not a de Polignac number, because 10000005491 - 2² = 10000005487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10000007491) 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, 606035 + ... + 622316.

It is an arithmetic number, because the mean of its divisors is an integer number (1429801728).

Almost surely, 2^10000005491 is an apocalyptic number.

10000005491 is a deficient number, since it is larger than the sum of its proper divisors (1438408333).

10000005491 is a wasteful number, since it uses less digits than its factorization.

10000005491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229521.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 10000005491 its reverse (19450000001), we get a palindrome (29450005492).

The spelling of 10000005491 in words is "ten billion, five thousand, four hundred ninety-one".