10001690491 has 8 divisors (see below), whose sum is σ = 11142467280. Its totient is φ = 8913973152.

The previous prime is 10001690441. The next prime is 10001690509. The reversal of 10001690491 is 19409610001.

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 10001690491 - 2¹¹ = 10001688443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10001690431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13264465 + ... + 13265218.

It is an arithmetic number, because the mean of its divisors is an integer number (1392808410).

Almost surely, 2^10001690491 is an apocalyptic number.

10001690491 is a deficient number, since it is larger than the sum of its proper divisors (1140776789).

10001690491 is a wasteful number, since it uses less digits than its factorization.

10001690491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26529725.

The product of its (nonzero) digits is 1944, while the sum is 31.

The spelling of 10001690491 in words is "ten billion, one million, six hundred ninety thousand, four hundred ninety-one".